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D.A. Hatcher, "Generalized Equations for Julian Day Numbers and Calendar Dates", Quarterly Journal of the Royal Astronomical Society, 26 (1985), 151–155 online link. Denis Savoie, "Calcul des concordances entre calendrier musulman et calendrier grégorien ou julien", Observations et Travaux (Société astronomique de France) , 26 (1991), 12 ...
Islamic calendar stamp issued at King Khalid International Airport on 10 Rajab 1428 AH (24 July 2007 CE). The Hijri calendar (Arabic: ٱلتَّقْوِيم ٱلْهِجْرِيّ, romanized: al-taqwīm al-hijrī), or Arabic calendar, also known in English as the Muslim calendar and Islamic calendar, is a lunar calendar consisting of 12 lunar months in a year of 354 or 355 days.
2025 date: 25 – 26 June 2025 (estimated) ... The following dates beyond the current year are the Gregorian calendar dates are predicted to ... Solar Hijri calendar ...
As 2025 gets started, planning for the year is in full swing. Here is a list of 2025 holidays, special events, big games, cultural milestones and other key dates to mark on your calendar ...
Here are the dates of 2025 federal holidays, according to the Office of Personnel Management: Wednesday, Jan. 1: New Year’s Day Monday, Jan. 20: Birthday of Martin Luther King, Jr.
The first day of the Solar Hijri calendar was the day of the spring equinox, March 19, 622 CE. The calendar is named a "Hijri calendar" because that was the year that Mohammed is believed to have left from Mecca to Medina, which event is referred to as the Hijrah. This year is generally considered by Muslims as the first year of Islam.
The Islamic Republic government changed the original date to coincide with the assassination of Morteza Motahhari on 1 May 1979. May 1: May 2: May 3 14 Khordad: Anniversary of the Death of Khomeini: Public holiday in Iran: June 3: June 4: June 5 15 Khordad: Anniversary Revolt of Khordad 15: Public holiday in Iran: June 4: June 5: June 6 13 Tir ...
The Islamic calendar alternates months of 29 and 30 days (which begin with the new moon). Twelve of these months make up an Islamic year, which is 11 days shorter than the Gregorian year. Some Gregorian dates may vary slightly from those given, and may also vary by country. See Islamic calendar. [4] [5]