One date, two calendars

Hijri date converter

Convert between Gregorian and calculated Umm al-Qura dates, in either direction.

العربية

This is the calculated Umm al-Qura calendar. Religious observances may follow a local moon-sighting announcement; this result is not an official announcement.

How to use this tool

Choose the input calendar, enter the year, month and day, then select Convert date. Invalid dates are rejected rather than silently moved to another day.

Sources and methodology →