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Glassyear

Faith calendars

The sacred days of seven traditions, each kept by its own calendar. See them, plan around them, and add the ones that matter to you to your phone.

Christianity · 2026

Dates follow the Gregorian calendar used by Catholic and Protestant churches.

  1. EpiphanyThe visit of the Magi and the revealing of Christ to the world.
  2. Ash WednesdayThe first day of Lent, forty days of prayer, fasting and giving before Easter.
  3. Palm SundayJesus' entry into Jerusalem; Holy Week begins.
  4. Good FridayThe crucifixion and death of Jesus.
  5. Easter SundayThe resurrection of Jesus, the heart of the Christian year.
  6. Ascension DayJesus' ascension into heaven, forty days after Easter.
  7. PentecostThe coming of the Holy Spirit to the apostles.
  8. All Saints' DayHonouring all the saints, known and unknown.
  9. First Sunday of AdventThe start of the four weeks of preparation for Christmas.
  10. ChristmasThe birth of Jesus Christ.
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Every tradition is shown by its own calendar and in its own words. If a date is wrong for your community, tell us and we will correct it. Contact

Enterprise holiday API

Every country, region and year as JSON, with change alerts — built for HR, payroll and scheduling platforms. Not open yet: leave a work email and we will write when the first keys are ready. Nothing is charged before then.

The free public API stays free: /api.