PHPackages apiverve/liturgicalcalendar - PHPackages - PHPackages [Skip to content](#main-content)[PHPackages](/)[Directory](/)[Categories](/categories)[Trending](/trending)[Leaderboard](/leaderboard)[Changelog](/changelog)[Analyze](/analyze)[Collections](/collections)[Log in](/login)[Sign up](/register) 1. [Directory](/) 2. / 3. [API Development](/categories/api) 4. / 5. apiverve/liturgicalcalendar ActiveLibrary[API Development](/categories/api) apiverve/liturgicalcalendar =========================== Liturgical Calendar is a simple tool for getting the dates of the Liturgical Calendar. It returns the dates of the Liturgical Calendar for a given year. 00Java Since Jul 16Pushed 1mo agoCompare [ Source](https://github.com/apiverve/liturgicalcalendar-api)[ Packagist](https://packagist.org/packages/apiverve/liturgicalcalendar)[ RSS](/packages/apiverve-liturgicalcalendar/feed)WikiDiscussions main Synced 1w ago READMEChangelogDependenciesVersions (1)Used By (0) [Liturgical Calendar API](https://apiverve.com/marketplace/liturgicalcalendar?utm_source=github&utm_medium=readme) ================================================================================================================== [](#liturgical-calendar-api) Liturgical Calendar is a simple tool for getting the dates of the Liturgical Calendar. It returns the dates of the Liturgical Calendar for a given year. The Liturgical Calendar API provides a simple, reliable way to integrate liturgical calendar functionality into your applications. Built for developers who need production-ready liturgical calendar capabilities without the complexity of building from scratch. **[View API Details →](https://apiverve.com/marketplace/liturgicalcalendar?utm_source=github&utm_medium=readme)** [![License: MIT](https://camo.githubusercontent.com/fdf2982b9f5d7489dcf44570e714e3a15fce6253e0cc6b5aa61a075aac2ff71b/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f4c6963656e73652d4d49542d79656c6c6f772e737667)](https://opensource.org/licenses/MIT)[![API Status](https://camo.githubusercontent.com/15e99b75bf27d82ce61696f6ed2bc677c3dbb56b0902a69b0afa0860c95e3aac/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f5374617475732d4163746976652d677265656e2e737667)](https://apiverve.com/marketplace/liturgicalcalendar?utm_source=github&utm_medium=readme)[![Method](https://camo.githubusercontent.com/a2b7cddd4cb12b1e821f02341ecb69a22571a98b2069d832d9c5f106ea07102a/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f4d6574686f642d4745542d626c75652e737667)](#)[![Platform](https://camo.githubusercontent.com/baa862d10fe7a5ffd0d064b1e3d41f4034cf5747a1ef289496ef606b53554456/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f506c6174666f726d2d4d756c74692d2d506c6174666f726d2d6f72616e67652e737667)](#installation) **Available on:**[![npm](https://camo.githubusercontent.com/60c9e8e39546f97cdc6b7d10d0eb0f29b7ef81ad8a1332eee806680cc80697f3/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f6e706d2d4342333833373f7374796c653d666c6174266c6f676f3d6e706d266c6f676f436f6c6f723d7768697465)](https://www.npmjs.com/package/@apiverve/liturgicalcalendar)[![NuGet](https://camo.githubusercontent.com/272fcec5c03b95ec239b9bd3abf7e66481ada718e198ca4a59f41c0b366af6b0/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f4e754765742d3030343838303f7374796c653d666c6174266c6f676f3d6e75676574266c6f676f436f6c6f723d7768697465)](https://www.nuget.org/packages/APIVerve.API.LiturgicalCalendar)[![PyPI](https://camo.githubusercontent.com/4bc6211075d1c11d9c07f962783fee71f5f3cc70e04c4ec9d57d4e761a7dd113/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f507950492d3337373641423f7374796c653d666c6174266c6f676f3d707974686f6e266c6f676f436f6c6f723d7768697465)](https://pypi.org/project/apiverve-liturgicalcalendar/)[![RubyGems](https://camo.githubusercontent.com/71716e070a00057e5feb5a93d39119c1ce4279183edc35e7384bef3e804b68ab/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f5275627947656d732d4539353733463f7374796c653d666c6174266c6f676f3d7275627967656d73266c6f676f436f6c6f723d7768697465)](https://rubygems.org/gems/apiverve_liturgicalcalendar)[![Packagist](https://camo.githubusercontent.com/5c7bb7fb77c5df98a7cc98b925a011394a30fb20f6d381b951a4e87aa8f03c45/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f5061636b61676973742d4632384431413f7374796c653d666c6174266c6f676f3d7061636b6167697374266c6f676f436f6c6f723d7768697465)](https://packagist.org/packages/apiverve/liturgicalcalendar)[![Go](https://camo.githubusercontent.com/2c54290f2057e36a55a985ab1cd61b80b4a5a732160a50fcd707b7b6b0086460/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f476f2d3030414444383f7374796c653d666c6174266c6f676f3d676f266c6f676f436f6c6f723d7768697465)](#-go)[![Dart](https://camo.githubusercontent.com/dca235ce2ec52c7dacbbd19ee2d738caf995db81745395b17c9d3b6152d28966/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f446172742d3031373543323f7374796c653d666c6174266c6f676f3d64617274266c6f676f436f6c6f723d7768697465)](https://pub.dev/packages/apiverve_liturgicalcalendar)[![JitPack](https://camo.githubusercontent.com/946962aac9fad35d0daf16fc430fd16553165a78db28c01fa09b656467c33824/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f4a69745061636b2d3245374433323f7374796c653d666c6174266c6f676f3d616e64726f6964266c6f676f436f6c6f723d7768697465)](#-android-jitpack) --- Quick Start ----------- [](#quick-start) ### Using JavaScript [](#using-javascript) ``` async function callLiturgicalCalendarAPI() { try { const params = new URLSearchParams({ month: 2 }); const response = await fetch(`https://api.apiverve.com/v1/liturgicalcalendar?${params}`, { method: 'GET', headers: { 'x-api-key': 'YOUR_API_KEY_HERE' } }); const data = await response.json(); console.log(data); } catch (error) { console.error('Error:', error); } } callLiturgicalCalendarAPI(); ``` ### Using cURL [](#using-curl) ``` curl -X GET "https://api.apiverve.com/v1/liturgicalcalendar?month=2" \ -H "x-api-key: YOUR_API_KEY_HERE" ``` **Get your API key:** **📁 For more examples, see the [examples folder](./examples/)** --- Installation ------------ [](#installation) Choose your preferred programming language: ### 📦 NPM (JavaScript/Node.js) [](#-npm-javascriptnodejs) ``` npm install @apiverve/liturgicalcalendar ``` [**View NPM Package →**](https://www.npmjs.com/package/@apiverve/liturgicalcalendar) | [**Package Code →**](./npm/) --- ### 🔷 NuGet (.NET/C#) [](#-nuget-netc) ``` dotnet add package APIVerve.API.LiturgicalCalendar ``` [**View NuGet Package →**](https://www.nuget.org/packages/APIVerve.API.LiturgicalCalendar) | [**Package Code →**](./nuget/) --- ### 🐍 Python (PyPI) [](#-python-pypi) ``` pip install apiverve-liturgicalcalendar ``` [**View PyPI Package →**](https://pypi.org/project/apiverve-liturgicalcalendar/) | [**Package Code →**](./python/) --- ### 💎 Ruby (RubyGems) [](#-ruby-rubygems) ``` gem install apiverve_liturgicalcalendar ``` [**View RubyGems Package →**](https://rubygems.org/gems/apiverve_liturgicalcalendar) | [**Package Code →**](./ruby/) --- ### 🐘 PHP (Packagist) [](#-php-packagist) ``` composer require apiverve/liturgicalcalendar ``` [**View Packagist Package →**](https://packagist.org/packages/apiverve/liturgicalcalendar) | [**Package Code →**](./php/) --- ### 🎯 Dart (pub.dev) [](#-dart-pubdev) ``` dart pub add apiverve_liturgicalcalendar ``` [**View pub.dev Package →**](https://pub.dev/packages/apiverve_liturgicalcalendar) | [**Package Code →**](./dart/) --- ### 🤖 Android (JitPack) [](#-android-jitpack) ``` implementation 'com.github.apiverve:liturgicalcalendar-api:1.0.0' ``` [**Package Code →**](./android/) --- ### 🐹 Go [](#-go) ``` go get github.com/apiverve/liturgicalcalendar-api/go ``` [**Package Code →**](./go/) --- Why Use This API? ----------------- [](#why-use-this-api) FeatureBenefit**Multi-language SDKs**Native packages for JavaScript, Python, C#, Go, and Android**Simple Integration**Single API key authentication, consistent response format**Production Ready**99.9% uptime SLA, served from 24 global regions**Comprehensive Docs**Full examples, OpenAPI spec, and dedicated support--- Documentation ------------- [](#documentation) - 🏠 **API Home:** [Liturgical Calendar API](https://apiverve.com/marketplace/liturgicalcalendar?utm_source=github&utm_medium=readme) - 📚 **API Reference:** [docs.apiverve.com/ref/liturgicalcalendar](https://docs.apiverve.com/ref/liturgicalcalendar) - 📖 **OpenAPI Spec:** [openapi.yaml](./openapi.yaml) - 💡 **Examples:** [examples/](./examples/) --- What Can You Build? ------------------- [](#what-can-you-build) The Liturgical Calendar API is commonly used for: - **Web Applications** - Add liturgical calendar features to your frontend or backend - **Mobile Apps** - Native SDKs for Android development - **Automation** - Integrate with n8n, Zapier, or custom workflows - **SaaS Products** - Enhance your product with liturgical calendar capabilities - **Data Pipelines** - Process and analyze data at scale --- API Reference ------------- [](#api-reference) ### Authentication [](#authentication) All requests require an API key in the header: ``` x-api-key: YOUR_API_KEY_HERE ``` Get your API key: ### Response Format [](#response-format) Every APIVerve endpoint returns the same envelope — check `status`, then read `data`: ``` { "status": "ok", "error": null, "data": { ... } } ``` ### Example Response [](#example-response) A real response from the Liturgical Calendar API: ``` { "status": "ok", "error": null, "data": { "2025-12-01": [ { "id": "advent_1_monday", "date": "2025-12-01", "dateDef": { "dateFn": "unprivilegedWeekdayOfAdvent", "dateArgs": [ 1, 1 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "WEEKDAY_13", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.weekday", { "week": 1, "dow": 1 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 1, "dayOfSeason": 2, "dayOfWeek": 1, "nthDayOfWeekInMonth": 1, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_1" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } ], "2025-12-02": [ { "id": "advent_1_tuesday", "date": "2025-12-02", "dateDef": { "dateFn": "unprivilegedWeekdayOfAdvent", "dateArgs": [ 2, 1 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "WEEKDAY_13", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.weekday", { "week": 1, "dow": 2 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 1, "dayOfSeason": 3, "dayOfWeek": 2, "nthDayOfWeekInMonth": 1, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_1" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } ], "2025-12-03": [ { "id": "francis_xavier_priest", "date": "2025-12-03", "dateDef": { "month": 12, "date": 3 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "GENERAL_MEMORIAL_10", "rank": "MEMORIAL", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "names:francis_xavier_priest" ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "WHITE" ], "commonsDef": [ "None" ], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 1, "dayOfSeason": 4, "dayOfWeek": 3, "nthDayOfWeekInMonth": 1, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_SAINTS", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_1" }, "fromCalendarId": "ma", "fromExtendedCalendars": [], "weekday": { "id": "advent_1_wednesday", "date": "2025-12-03", "dateDef": { "dateFn": "unprivilegedWeekdayOfAdvent", "dateArgs": [ 3, 1 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "WEEKDAY_13", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.weekday", { "week": 1, "dow": 3 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 1, "dayOfSeason": 4, "dayOfWeek": 3, "nthDayOfWeekInMonth": 1, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_1" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } } ], "2025-12-04": [ { "id": "advent_1_thursday", "date": "2025-12-04", "dateDef": { "dateFn": "unprivilegedWeekdayOfAdvent", "dateArgs": [ 4, 1 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "WEEKDAY_13", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.weekday", { "week": 1, "dow": 4 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 1, "dayOfSeason": 5, "dayOfWeek": 4, "nthDayOfWeekInMonth": 1, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_1" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] }, { "id": "john_damascene_priest", "date": "2025-12-04", "dateDef": { "month": 12, "date": 4 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "OPTIONAL_MEMORIAL_12", "rank": "OPTIONAL_MEMORIAL", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": true, "i18nDef": [ "names:john_damascene_priest" ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "WHITE" ], "commonsDef": [ "Pastors", "DoctorsOfTheChurch" ], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 1, "dayOfSeason": 5, "dayOfWeek": 4, "nthDayOfWeekInMonth": 1, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_SAINTS", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_1" }, "fromCalendarId": "ma", "fromExtendedCalendars": [], "weekday": { "id": "advent_1_thursday", "date": "2025-12-04", "dateDef": { "dateFn": "unprivilegedWeekdayOfAdvent", "dateArgs": [ 4, 1 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "WEEKDAY_13", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.weekday", { "week": 1, "dow": 4 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 1, "dayOfSeason": 5, "dayOfWeek": 4, "nthDayOfWeekInMonth": 1, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_1" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } } ], "2025-12-05": [ { "id": "advent_1_friday", "date": "2025-12-05", "dateDef": { "dateFn": "unprivilegedWeekdayOfAdvent", "dateArgs": [ 5, 1 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "WEEKDAY_13", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.weekday", { "week": 1, "dow": 5 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 1, "dayOfSeason": 6, "dayOfWeek": 5, "nthDayOfWeekInMonth": 1, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_1" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } ], "2025-12-06": [ { "id": "advent_1_saturday", "date": "2025-12-06", "dateDef": { "dateFn": "unprivilegedWeekdayOfAdvent", "dateArgs": [ 6, 1 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "WEEKDAY_13", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.weekday", { "week": 1, "dow": 6 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 1, "dayOfSeason": 7, "dayOfWeek": 6, "nthDayOfWeekInMonth": 1, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_1" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] }, { "id": "nicholas_of_myra_bishop", "date": "2025-12-06", "dateDef": { "month": 12, "date": 6 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "OPTIONAL_MEMORIAL_12", "rank": "OPTIONAL_MEMORIAL", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": true, "i18nDef": [ "names:nicholas_of_myra_bishop" ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "WHITE" ], "commonsDef": [ "Bishops" ], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 1, "dayOfSeason": 7, "dayOfWeek": 6, "nthDayOfWeekInMonth": 1, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_SAINTS", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_1" }, "fromCalendarId": "ma", "fromExtendedCalendars": [], "weekday": { "id": "advent_1_saturday", "date": "2025-12-06", "dateDef": { "dateFn": "unprivilegedWeekdayOfAdvent", "dateArgs": [ 6, 1 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "WEEKDAY_13", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.weekday", { "week": 1, "dow": 6 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 1, "dayOfSeason": 7, "dayOfWeek": 6, "nthDayOfWeekInMonth": 1, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_1" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } } ], "2025-12-07": [ { "id": "advent_2_sunday", "date": "2025-12-07", "dateDef": { "dateFn": "sundayOfAdvent", "dateArgs": [ 2 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "PRIVILEGED_SUNDAY_2", "rank": "SUNDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": true, "isOptional": false, "i18nDef": [ "seasons:advent.sunday", { "week": 2 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 8, "dayOfWeek": 0, "nthDayOfWeekInMonth": 1, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_2" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } ], "2025-12-08": [ { "id": "immaculate_conception_of_the_blessed_virgin_mary", "date": "2025-12-08", "dateDef": { "dateFn": "immaculateConceptionOfMary" }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "GENERAL_SOLEMNITY_3", "rank": "SOLEMNITY", "allowSimilarRankItems": false, "isHolyDayOfObligation": true, "isOptional": false, "i18nDef": [ "names:immaculate_conception_of_the_blessed_virgin_mary" ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "WHITE" ], "commonsDef": [ "None" ], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 9, "dayOfWeek": 1, "nthDayOfWeekInMonth": 2, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_SAINTS", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_2" }, "fromCalendarId": "ma", "fromExtendedCalendars": [] } ], "2025-12-09": [ { "id": "advent_2_tuesday", "date": "2025-12-09", "dateDef": { "dateFn": "unprivilegedWeekdayOfAdvent", "dateArgs": [ 2, 2 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "WEEKDAY_13", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.weekday", { "week": 2, "dow": 2 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 10, "dayOfWeek": 2, "nthDayOfWeekInMonth": 2, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_2" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] }, { "id": "juan_diego_cuauhtlatoatzin", "date": "2025-12-09", "dateDef": { "month": 12, "date": 9 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "OPTIONAL_MEMORIAL_12", "rank": "OPTIONAL_MEMORIAL", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": true, "i18nDef": [ "names:juan_diego_cuauhtlatoatzin" ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "WHITE" ], "commonsDef": [ "Saints" ], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 10, "dayOfWeek": 2, "nthDayOfWeekInMonth": 2, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_SAINTS", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_2" }, "fromCalendarId": "ma", "fromExtendedCalendars": [], "weekday": { "id": "advent_2_tuesday", "date": "2025-12-09", "dateDef": { "dateFn": "unprivilegedWeekdayOfAdvent", "dateArgs": [ 2, 2 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "WEEKDAY_13", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.weekday", { "week": 2, "dow": 2 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 10, "dayOfWeek": 2, "nthDayOfWeekInMonth": 2, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_2" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } } ], "2025-12-10": [ { "id": "advent_2_wednesday", "date": "2025-12-10", "dateDef": { "dateFn": "unprivilegedWeekdayOfAdvent", "dateArgs": [ 3, 2 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "WEEKDAY_13", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.weekday", { "week": 2, "dow": 3 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 11, "dayOfWeek": 3, "nthDayOfWeekInMonth": 2, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_2" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] }, { "id": "our_lady_of_loreto", "date": "2025-12-10", "dateDef": { "month": 12, "date": 10 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "OPTIONAL_MEMORIAL_12", "rank": "OPTIONAL_MEMORIAL", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": true, "i18nDef": [ "names:our_lady_of_loreto" ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "WHITE" ], "commonsDef": [ "BlessedVirginMary" ], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 11, "dayOfWeek": 3, "nthDayOfWeekInMonth": 2, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_SAINTS", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_2" }, "fromCalendarId": "ma", "fromExtendedCalendars": [], "weekday": { "id": "advent_2_wednesday", "date": "2025-12-10", "dateDef": { "dateFn": "unprivilegedWeekdayOfAdvent", "dateArgs": [ 3, 2 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "WEEKDAY_13", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.weekday", { "week": 2, "dow": 3 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 11, "dayOfWeek": 3, "nthDayOfWeekInMonth": 2, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_2" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } } ], "2025-12-11": [ { "id": "advent_2_thursday", "date": "2025-12-11", "dateDef": { "dateFn": "unprivilegedWeekdayOfAdvent", "dateArgs": [ 4, 2 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "WEEKDAY_13", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.weekday", { "week": 2, "dow": 4 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 12, "dayOfWeek": 4, "nthDayOfWeekInMonth": 2, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_2" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] }, { "id": "damasus_i_pope", "date": "2025-12-11", "dateDef": { "month": 12, "date": 11 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "OPTIONAL_MEMORIAL_12", "rank": "OPTIONAL_MEMORIAL", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": true, "i18nDef": [ "names:damasus_i_pope" ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "WHITE" ], "commonsDef": [ "PopeOrBishop" ], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 12, "dayOfWeek": 4, "nthDayOfWeekInMonth": 2, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_SAINTS", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_2" }, "fromCalendarId": "ma", "fromExtendedCalendars": [], "weekday": { "id": "advent_2_thursday", "date": "2025-12-11", "dateDef": { "dateFn": "unprivilegedWeekdayOfAdvent", "dateArgs": [ 4, 2 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "WEEKDAY_13", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.weekday", { "week": 2, "dow": 4 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 12, "dayOfWeek": 4, "nthDayOfWeekInMonth": 2, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_2" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } } ], "2025-12-12": [ { "id": "advent_2_friday", "date": "2025-12-12", "dateDef": { "dateFn": "unprivilegedWeekdayOfAdvent", "dateArgs": [ 5, 2 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "WEEKDAY_13", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.weekday", { "week": 2, "dow": 5 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 13, "dayOfWeek": 5, "nthDayOfWeekInMonth": 2, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_2" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] }, { "id": "our_lady_of_guadalupe", "date": "2025-12-12", "dateDef": { "month": 12, "date": 12 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "OPTIONAL_MEMORIAL_12", "rank": "OPTIONAL_MEMORIAL", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": true, "i18nDef": [ "names:our_lady_of_guadalupe" ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "WHITE" ], "commonsDef": [ "BlessedVirginMary" ], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 13, "dayOfWeek": 5, "nthDayOfWeekInMonth": 2, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_SAINTS", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_2" }, "fromCalendarId": "ma", "fromExtendedCalendars": [], "weekday": { "id": "advent_2_friday", "date": "2025-12-12", "dateDef": { "dateFn": "unprivilegedWeekdayOfAdvent", "dateArgs": [ 5, 2 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "WEEKDAY_13", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.weekday", { "week": 2, "dow": 5 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 13, "dayOfWeek": 5, "nthDayOfWeekInMonth": 2, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_2" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } } ], "2025-12-13": [ { "id": "lucy_of_syracuse_virgin", "date": "2025-12-13", "dateDef": { "month": 12, "date": 13 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "GENERAL_MEMORIAL_10", "rank": "MEMORIAL", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "names:lucy_of_syracuse_virgin" ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "RED" ], "commonsDef": [ "VirginMartyrs", "Virgins" ], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 14, "dayOfWeek": 6, "nthDayOfWeekInMonth": 2, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_SAINTS", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_2" }, "fromCalendarId": "ma", "fromExtendedCalendars": [], "weekday": { "id": "advent_2_saturday", "date": "2025-12-13", "dateDef": { "dateFn": "unprivilegedWeekdayOfAdvent", "dateArgs": [ 6, 2 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "WEEKDAY_13", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.weekday", { "week": 2, "dow": 6 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 14, "dayOfWeek": 6, "nthDayOfWeekInMonth": 2, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_2" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } } ], "2025-12-14": [ { "id": "advent_3_sunday", "date": "2025-12-14", "dateDef": { "dateFn": "sundayOfAdvent", "dateArgs": [ 3 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "PRIVILEGED_SUNDAY_2", "rank": "SUNDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": true, "isOptional": false, "i18nDef": [ "seasons:advent.sunday", { "week": 3 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "ROSE", "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 3, "dayOfSeason": 15, "dayOfWeek": 0, "nthDayOfWeekInMonth": 2, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_3" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } ], "2025-12-15": [ { "id": "advent_3_monday", "date": "2025-12-15", "dateDef": { "dateFn": "unprivilegedWeekdayOfAdvent", "dateArgs": [ 1, 3 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "WEEKDAY_13", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.weekday", { "week": 3, "dow": 1 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 3, "dayOfSeason": 16, "dayOfWeek": 1, "nthDayOfWeekInMonth": 3, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_3" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } ], "2025-12-16": [ { "id": "advent_3_tuesday", "date": "2025-12-16", "dateDef": { "dateFn": "unprivilegedWeekdayOfAdvent", "dateArgs": [ 2, 3 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "WEEKDAY_13", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.weekday", { "week": 3, "dow": 2 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 3, "dayOfSeason": 17, "dayOfWeek": 2, "nthDayOfWeekInMonth": 3, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_3" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } ], "2025-12-17": [ { "id": "advent_december_17", "date": "2025-12-17", "dateDef": { "dateFn": "privilegedWeekdayOfAdvent", "dateArgs": [ 17 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "PRIVILEGED_WEEKDAY_9", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.privileged_weekday", { "day": 17 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 3, "dayOfSeason": 18, "dayOfWeek": 3, "nthDayOfWeekInMonth": 3, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_3" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } ], "2025-12-18": [ { "id": "advent_december_18", "date": "2025-12-18", "dateDef": { "dateFn": "privilegedWeekdayOfAdvent", "dateArgs": [ 18 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "PRIVILEGED_WEEKDAY_9", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.privileged_weekday", { "day": 18 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 3, "dayOfSeason": 19, "dayOfWeek": 4, "nthDayOfWeekInMonth": 3, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_3" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } ], "2025-12-19": [ { "id": "advent_december_19", "date": "2025-12-19", "dateDef": { "dateFn": "privilegedWeekdayOfAdvent", "dateArgs": [ 19 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "PRIVILEGED_WEEKDAY_9", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.privileged_weekday", { "day": 19 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 3, "dayOfSeason": 20, "dayOfWeek": 5, "nthDayOfWeekInMonth": 3, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_3" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } ], "2025-12-20": [ { "id": "advent_december_20", "date": "2025-12-20", "dateDef": { "dateFn": "privilegedWeekdayOfAdvent", "dateArgs": [ 20 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "PRIVILEGED_WEEKDAY_9", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.privileged_weekday", { "day": 20 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 3, "dayOfSeason": 21, "dayOfWeek": 6, "nthDayOfWeekInMonth": 3, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_3" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } ], "2025-12-21": [ { "id": "advent_4_sunday", "date": "2025-12-21", "dateDef": { "dateFn": "sundayOfAdvent", "dateArgs": [ 4 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "PRIVILEGED_SUNDAY_2", "rank": "SUNDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": true, "isOptional": false, "i18nDef": [ "seasons:advent.sunday", { "week": 4 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 4, "dayOfSeason": 22, "dayOfWeek": 0, "nthDayOfWeekInMonth": 3, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_4" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } ], "2025-12-22": [ { "id": "advent_december_22", "date": "2025-12-22", "dateDef": { "dateFn": "privilegedWeekdayOfAdvent", "dateArgs": [ 22 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "PRIVILEGED_WEEKDAY_9", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.privileged_weekday", { "day": 22 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 4, "dayOfSeason": 23, "dayOfWeek": 1, "nthDayOfWeekInMonth": 4, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_4" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } ], "2025-12-23": [ { "id": "advent_december_23", "date": "2025-12-23", "dateDef": { "dateFn": "privilegedWeekdayOfAdvent", "dateArgs": [ 23 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "PRIVILEGED_WEEKDAY_9", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.privileged_weekday", { "day": 23 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 4, "dayOfSeason": 24, "dayOfWeek": 2, "nthDayOfWeekInMonth": 4, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_4" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] }, { "id": "john_of_kanty_priest", "date": "2025-12-23", "dateDef": { "month": 12, "date": 23 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "OPTIONAL_MEMORIAL_12", "rank": "OPTIONAL_MEMORIAL", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": true, "i18nDef": [ "names:john_of_kanty_priest" ], "seasons": [ "ADVENT" ], "periods": [], "colors": [], "commonsDef": [ "Pastors", "MercyWorkers" ], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 4, "dayOfSeason": 24, "dayOfWeek": 2, "nthDayOfWeekInMonth": 4, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_SAINTS", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_4" }, "fromCalendarId": "ma", "fromExtendedCalendars": [], "weekday": { "id": "advent_december_23", "date": "2025-12-23", "dateDef": { "dateFn": "privilegedWeekdayOfAdvent", "dateArgs": [ 23 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "PRIVILEGED_WEEKDAY_9", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.privileged_weekday", { "day": 23 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 4, "dayOfSeason": 24, "dayOfWeek": 2, "nthDayOfWeekInMonth": 4, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_4" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } } ], "2025-12-24": [ { "id": "advent_december_24", "date": "2025-12-24", "dateDef": { "dateFn": "privilegedWeekdayOfAdvent", "dateArgs": [ 24 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "PRIVILEGED_WEEKDAY_9", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:advent.privileged_weekday", { "day": 24 } ], "seasons": [ "ADVENT" ], "periods": [], "colors": [ "PURPLE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 4, "dayOfSeason": 25, "dayOfWeek": 3, "nthDayOfWeekInMonth": 4, "startOfSeason": "2025-11-30", "endOfSeason": "2025-12-24", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "ADVENT" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_4" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } ], "2025-12-25": [ { "id": "nativity_of_the_lord", "date": "2025-12-25", "dateDef": { "dateFn": "christmas", "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "PROPER_OF_TIME_SOLEMNITY_2", "rank": "SOLEMNITY", "allowSimilarRankItems": false, "isHolyDayOfObligation": true, "isOptional": false, "i18nDef": [ "names:nativity_of_the_lord" ], "seasons": [ "CHRISTMAS_TIME" ], "periods": [ "CHRISTMAS_OCTAVE", "CHRISTMAS_TO_PRESENTATION_OF_THE_LORD" ], "colors": [ "WHITE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 1, "dayOfSeason": 1, "dayOfWeek": 4, "nthDayOfWeekInMonth": 4, "startOfSeason": "2025-12-25", "endOfSeason": "2026-01-11", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "CHRISTMAS_TIME" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_4" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } ], "2025-12-26": [ { "id": "stephen_the_first_martyr", "date": "2025-12-26", "dateDef": { "month": 12, "date": 26 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "GENERAL_FEAST_7", "rank": "FEAST", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "names:stephen_the_first_martyr" ], "seasons": [ "CHRISTMAS_TIME" ], "periods": [ "CHRISTMAS_OCTAVE", "CHRISTMAS_TO_PRESENTATION_OF_THE_LORD" ], "colors": [ "RED" ], "commonsDef": [ "None" ], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 1, "dayOfSeason": 2, "dayOfWeek": 5, "nthDayOfWeekInMonth": 4, "startOfSeason": "2025-12-25", "endOfSeason": "2026-01-11", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "CHRISTMAS_TIME" ] }, "cycles": { "properCycle": "PROPER_OF_SAINTS", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_4" }, "fromCalendarId": "ma", "fromExtendedCalendars": [], "weekday": { "id": "christmas_octave_day_2", "date": "2025-12-26", "dateDef": { "dateFn": "weekdayWithinOctaveOfChristmas", "dateArgs": [ 2 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "PRIVILEGED_WEEKDAY_9", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:christmas_time.octave", { "count": 2 } ], "seasons": [ "CHRISTMAS_TIME" ], "periods": [ "CHRISTMAS_OCTAVE", "CHRISTMAS_TO_PRESENTATION_OF_THE_LORD" ], "colors": [ "WHITE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 1, "dayOfSeason": 2, "dayOfWeek": 5, "nthDayOfWeekInMonth": 4, "startOfSeason": "2025-12-25", "endOfSeason": "2026-01-11", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "CHRISTMAS_TIME" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_4" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } } ], "2025-12-27": [ { "id": "john_apostle", "date": "2025-12-27", "dateDef": { "month": 12, "date": 27 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "GENERAL_FEAST_7", "rank": "FEAST", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "names:john_apostle" ], "seasons": [ "CHRISTMAS_TIME" ], "periods": [ "CHRISTMAS_OCTAVE", "CHRISTMAS_TO_PRESENTATION_OF_THE_LORD" ], "colors": [ "WHITE" ], "commonsDef": [ "None" ], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 1, "dayOfSeason": 3, "dayOfWeek": 6, "nthDayOfWeekInMonth": 4, "startOfSeason": "2025-12-25", "endOfSeason": "2026-01-11", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "CHRISTMAS_TIME" ] }, "cycles": { "properCycle": "PROPER_OF_SAINTS", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_4" }, "fromCalendarId": "ma", "fromExtendedCalendars": [], "weekday": { "id": "christmas_octave_day_3", "date": "2025-12-27", "dateDef": { "dateFn": "weekdayWithinOctaveOfChristmas", "dateArgs": [ 3 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "PRIVILEGED_WEEKDAY_9", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:christmas_time.octave", { "count": 3 } ], "seasons": [ "CHRISTMAS_TIME" ], "periods": [ "CHRISTMAS_OCTAVE", "CHRISTMAS_TO_PRESENTATION_OF_THE_LORD" ], "colors": [ "WHITE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 1, "dayOfSeason": 3, "dayOfWeek": 6, "nthDayOfWeekInMonth": 4, "startOfSeason": "2025-12-25", "endOfSeason": "2026-01-11", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "CHRISTMAS_TIME" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_4" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } } ], "2025-12-28": [ { "id": "holy_family_of_jesus_mary_and_joseph", "date": "2025-12-28", "dateDef": { "dateFn": "holyFamily", "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "GENERAL_LORD_FEAST_5", "rank": "FEAST", "allowSimilarRankItems": false, "isHolyDayOfObligation": true, "isOptional": false, "i18nDef": [ "names:holy_family_of_jesus_mary_and_joseph" ], "seasons": [ "CHRISTMAS_TIME" ], "periods": [ "CHRISTMAS_OCTAVE", "CHRISTMAS_TO_PRESENTATION_OF_THE_LORD" ], "colors": [ "WHITE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 4, "dayOfWeek": 0, "nthDayOfWeekInMonth": 4, "startOfSeason": "2025-12-25", "endOfSeason": "2026-01-11", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "CHRISTMAS_TIME" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_1" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } ], "2025-12-29": [ { "id": "christmas_octave_day_5", "date": "2025-12-29", "dateDef": { "dateFn": "weekdayWithinOctaveOfChristmas", "dateArgs": [ 5 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "PRIVILEGED_WEEKDAY_9", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:christmas_time.octave", { "count": 5 } ], "seasons": [ "CHRISTMAS_TIME" ], "periods": [ "CHRISTMAS_OCTAVE", "CHRISTMAS_TO_PRESENTATION_OF_THE_LORD" ], "colors": [ "WHITE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 5, "dayOfWeek": 1, "nthDayOfWeekInMonth": 5, "startOfSeason": "2025-12-25", "endOfSeason": "2026-01-11", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "CHRISTMAS_TIME" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_1" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] }, { "id": "thomas_becket_bishop", "date": "2025-12-29", "dateDef": { "month": 12, "date": 29 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "OPTIONAL_MEMORIAL_12", "rank": "OPTIONAL_MEMORIAL", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": true, "i18nDef": [ "names:thomas_becket_bishop" ], "seasons": [ "CHRISTMAS_TIME" ], "periods": [ "CHRISTMAS_OCTAVE", "CHRISTMAS_TO_PRESENTATION_OF_THE_LORD" ], "colors": [], "commonsDef": [ "Martyrs", "Bishops" ], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 5, "dayOfWeek": 1, "nthDayOfWeekInMonth": 5, "startOfSeason": "2025-12-25", "endOfSeason": "2026-01-11", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "CHRISTMAS_TIME" ] }, "cycles": { "properCycle": "PROPER_OF_SAINTS", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_1" }, "fromCalendarId": "ma", "fromExtendedCalendars": [], "weekday": { "id": "christmas_octave_day_5", "date": "2025-12-29", "dateDef": { "dateFn": "weekdayWithinOctaveOfChristmas", "dateArgs": [ 5 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "PRIVILEGED_WEEKDAY_9", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:christmas_time.octave", { "count": 5 } ], "seasons": [ "CHRISTMAS_TIME" ], "periods": [ "CHRISTMAS_OCTAVE", "CHRISTMAS_TO_PRESENTATION_OF_THE_LORD" ], "colors": [ "WHITE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 5, "dayOfWeek": 1, "nthDayOfWeekInMonth": 5, "startOfSeason": "2025-12-25", "endOfSeason": "2026-01-11", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "CHRISTMAS_TIME" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_1" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } } ], "2025-12-30": [ { "id": "christmas_octave_day_6", "date": "2025-12-30", "dateDef": { "dateFn": "weekdayWithinOctaveOfChristmas", "dateArgs": [ 6 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "PRIVILEGED_WEEKDAY_9", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:christmas_time.octave", { "count": 6 } ], "seasons": [ "CHRISTMAS_TIME" ], "periods": [ "CHRISTMAS_OCTAVE", "CHRISTMAS_TO_PRESENTATION_OF_THE_LORD" ], "colors": [ "WHITE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 6, "dayOfWeek": 2, "nthDayOfWeekInMonth": 5, "startOfSeason": "2025-12-25", "endOfSeason": "2026-01-11", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "CHRISTMAS_TIME" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_1" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } ], "2025-12-31": [ { "id": "christmas_octave_day_7", "date": "2025-12-31", "dateDef": { "dateFn": "weekdayWithinOctaveOfChristmas", "dateArgs": [ 7 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "PRIVILEGED_WEEKDAY_9", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:christmas_time.octave", { "count": 7 } ], "seasons": [ "CHRISTMAS_TIME" ], "periods": [ "CHRISTMAS_OCTAVE", "CHRISTMAS_TO_PRESENTATION_OF_THE_LORD" ], "colors": [ "WHITE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 7, "dayOfWeek": 3, "nthDayOfWeekInMonth": 5, "startOfSeason": "2025-12-25", "endOfSeason": "2026-01-11", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "CHRISTMAS_TIME" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_1" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] }, { "id": "sylvester_i_pope", "date": "2025-12-31", "dateDef": { "month": 12, "date": 31 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "OPTIONAL_MEMORIAL_12", "rank": "OPTIONAL_MEMORIAL", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": true, "i18nDef": [ "names:sylvester_i_pope" ], "seasons": [ "CHRISTMAS_TIME" ], "periods": [ "CHRISTMAS_OCTAVE", "CHRISTMAS_TO_PRESENTATION_OF_THE_LORD" ], "colors": [], "commonsDef": [ "PopeOrBishop" ], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 7, "dayOfWeek": 3, "nthDayOfWeekInMonth": 5, "startOfSeason": "2025-12-25", "endOfSeason": "2026-01-11", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "CHRISTMAS_TIME" ] }, "cycles": { "properCycle": "PROPER_OF_SAINTS", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_1" }, "fromCalendarId": "ma", "fromExtendedCalendars": [], "weekday": { "id": "christmas_octave_day_7", "date": "2025-12-31", "dateDef": { "dateFn": "weekdayWithinOctaveOfChristmas", "dateArgs": [ 7 ], "yearOffset": 0 }, "dateExceptions": [], "alternativeTransferDateDefs": [], "precedence": "PRIVILEGED_WEEKDAY_9", "rank": "WEEKDAY", "allowSimilarRankItems": false, "isHolyDayOfObligation": false, "isOptional": false, "i18nDef": [ "seasons:christmas_time.octave", { "count": 7 } ], "seasons": [ "CHRISTMAS_TIME" ], "periods": [ "CHRISTMAS_OCTAVE", "CHRISTMAS_TO_PRESENTATION_OF_THE_LORD" ], "colors": [ "WHITE" ], "commonsDef": [], "martyrology": [], "titles": [], "calendar": { "weekOfSeason": 2, "dayOfSeason": 7, "dayOfWeek": 3, "nthDayOfWeekInMonth": 5, "startOfSeason": "2025-12-25", "endOfSeason": "2026-01-11", "startOfLiturgicalYear": "2025-11-30", "endOfLiturgicalYear": "2026-11-28", "seasons": [ "CHRISTMAS_TIME" ] }, "cycles": { "properCycle": "PROPER_OF_TIME", "sundayCycle": "YEAR_A", "weekdayCycle": "YEAR_2", "psalterWeek": "WEEK_1" }, "fromCalendarId": "ProperOfTime", "fromExtendedCalendars": [] } } ] } } ``` --- Support & Community ----------------------- [](#support--community) - 🏠 **API Home**: [Liturgical Calendar API](https://apiverve.com/marketplace/liturgicalcalendar?utm_source=github&utm_medium=readme) - 💬 **Support**: - 🐛 **Issues**: [GitHub Issues](../../issues) - 📖 **Documentation**: - 🌐 **Website**: --- Contributing ------------ [](#contributing) We welcome contributions! Please see [CONTRIBUTING.md](CONTRIBUTING.md) for guidelines. --- Security -------- [](#security) For security concerns, please review our [Security Policy](SECURITY.md). --- License ------- [](#license) This project is licensed under the **MIT License** - see the [LICENSE](LICENSE) file for details. --- Acknowledgments --------------- [](#acknowledgments) Built with ❤️ by [APIVerve](https://apiverve.com) Copyright © 2026 APIVerve. All rights reserved. ### Health Score 19 — LowBetter than 9% of packages Maintenance60 Regular maintenance activity Popularity0 Limited adoption so far Community2 Small or concentrated contributor base Maturity11 Early-stage or recently created project How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Community Maintainers ![](https://www.gravatar.com/avatar/f4d2e1d9263acab05f6a553dfdd4884a1efb8e6d76bd276a50996b3a41e1d6e5?d=identicon)[APIVerve](/maintainers/APIVerve) --- Tags android-libraryapiapivervecalendardotnetjavaliturgicalcalendarnodejsnpm-packagenuget-packagepythonpython-packagerest-api ### Embed Badge ![Health badge](/badges/apiverve-liturgicalcalendar/health.svg) ``` [![Health](https://phpackages.com/badges/apiverve-liturgicalcalendar/health.svg)](https://phpackages.com/packages/apiverve-liturgicalcalendar) ``` ### Alternatives [exsyst/swagger A php library to manipulate Swagger specifications 35916.5M7](/packages/exsyst-swagger)[lucasdotvin/laravel-soulbscription A straightforward interface to handle subscriptions and features consumption. 710215.3k](/packages/lucasdotvin-laravel-soulbscription)[pimax/fb-messenger-php Facebook Messenger Bot PHP API 316188.8k2](/packages/pimax-fb-messenger-php)[h4kuna/fio Read movements by json file from Fio bank and send payments. 57371.0k1](/packages/h4kuna-fio)[commercetools/commercetools-api-reference 6520.5k3](/packages/commercetools-commercetools-api-reference) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)