The Correct Hijri Calendar
The lunisolar calendar the Prophet ﷺ dated by: months fixed in their seasons by Al-Nasi, its evidence, and why we call it The Creator's Calendar.
Today
Today's date across all seven calendars, with dawn, sunrise and sunset times for your location.
Monthly Calendar
Browse the lunar months one by one, matched against the other calendars and historical events.
Earth & Astro
A live map showing the sun, moon and planets and the day/night line in real time.
Historical Events
Historical events and occasions dated across the four synchronized calendars.
The Evidence of Events
The weekday in the event texts compared with The Creator's Calendar and the Lunar Hijri calendar, event by event.
Astronomical Calculator
Computes each lunar month's start and each season's date from the actual conjunction, dawn and sunset timings, for any city and range of years you choose.
Date Calculators
Convert dates between seven calendars including the Hebrew and Chinese ones, count days between dates, add days and months, find the weekday, and calculate age.
Calendar Guide
A detailed guide to each calendar: its origins, history, rules and scientific classification, with a comparison.
Units of Time
Definitions of day, night, month, season, year and their differences in language and the Quran.
About
The astronomical basis of The Creator's Calendar, its scientific sources, and how it relates to other calendars.