Easter & Christian dates calculator
Calculate Western and Orthodox Easter plus Ash Wednesday, Palm Sunday, Good Friday, Ascension, Pentecost and the first Sunday of Advent.
Easter & Christian dates calculator
Calculate the main movable Christian dates for any supported year.
Result
Practices and conventions can vary between communities and local religious authorities.
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How does this tool work?
Calculate the main movable Christian dates for any supported year. The tool runs directly in your browser without an account, giving you a quick and practical estimate.
The tool applies Gregorian and Julian calendar algorithms for Easter and derives the related movable observances. The calculation is performed locally from the information you enter and the calendar or astronomical rules required by the selected tool. Always check the date, location, time zone and selected options before relying on the result. Dates or times can vary slightly depending on local conventions, religious authorities or the calculation method used by another source.
Easter & Christian dates calculator
Enter the details
Enter the date, location or values requested by the tool.
Run the calculation
Choose the relevant options and run the calculation directly in your browser.
Check the result
Review the result and confirm the parameters before using it as a reference.
Use cases
Personal planning
Organize your personal schedule by quickly checking a useful date, period or calculated value.
Quick verification
Compare information you already have with an independent calculation performed directly in the browser.
Event preparation
Prepare for an observance, celebration or deadline by checking the result with the appropriate settings.
Tips and best practices
- Check the date and all parameters before running the calculation.
- For sun-related calculations, use the location and time zone that match the place you need.
- For formal religious use, compare the result with guidance from your community or relevant authority.
Frequently asked questions
What does this tool calculate?
Calculate Western Easter, Orthodox Easter and major movable Christian dates. The tool applies Gregorian and Julian calendar algorithms for Easter and derives the related movable observances.
Are my data sent to a server?
No. The main calculation is performed locally in your browser and does not require an account.
Why can the result differ from another source?
Calendars, local conventions, calculation methods or religious authorities may use slightly different rules.
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