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Church Calendar

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Access Catholic liturgical calendar data via unauthenticated HTTP requests.

APIDeveloper ToolsAuth: NoneFree
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Updated 2026-06-15

What is Church Calendar?

The Church Calendar API supplies information from the Catholic liturgical calendar.

It is useful for developers integrating liturgical dates into church software or related tools.

What you can build with Church Calendar

Daily liturgy display in mobile apps

Fetch feast days, readings, and seasons to show users the current liturgical date and associated Catholic observances.

Parish website calendar widgets

Embed upcoming holy days and solemnities on church sites by querying date ranges for accurate liturgical scheduling.

Prayer reminder services

Build notification systems that alert users about special liturgical events like Lent, Advent, or saint feast days.

Get started with Church Calendar

  1. 1Find the public HTTP endpoint URL from available documentation
  2. 2Choose the desired date or range parameter for the query
  3. 3Send a simple HTTP GET request without any headers or keys
  4. 4Parse the returned JSON for liturgical details like feasts and seasons
  5. 5Integrate the data into your app or site and test with sample dates

Church Calendar: pros & cons

Pros

  • +No authentication required
  • +Free public access
  • +Specialized Catholic liturgical data
  • +Simple HTTP interface

Cons

  • Only HTTP (no HTTPS encryption)
  • Narrow focus on Catholic calendar only
  • May face blocks in modern HTTPS-only environments
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Frequently asked questions

It supplies Catholic liturgical calendar information such as feast days and seasons.

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