Islamic Calendar 2025 Ramadan. It is the month when the quran was first revealed to the prophet. Key dates within the 2025 islamic calendar (hijri calendar) muslims around the world use the islamic calendar (also known as the lunar or hijri calendar) to determine the dates of religious.

Ramadan 1446 hijri/2025 is expected to start on friday, february 28, or sunday evening, march 1, 2025. However, since the islamic calendar follows a lunar cycle, these dates depend upon.