Muslim Holidays. Eid al fitr and eid al fitr. Muslims have two major religious observances each year ramadan and the hajj and several holidays connected with each one.
All of these dates are subject to confirmation following an official sighting of the first crescent of the new moon. The islamic calendar is based on the moon and this means dates move back by 10 or 11 days each year within the longer sun based january to december gregorian calendar used by most of the western world. Eid milad un nabi is the the first eid of the year and is celebrated as the muslim holiday.
Both holidays occur on dates in the lunar islamic calendar which is different from the solar based gregorian calendar so they are observed on different gregorian dates every year.
All islamic holidays are observed according to the lunar based islamic calendar. All islamic holidays are observed according to the lunar based islamic calendar. 12th of rabbiul awal 3rd islamic month is the agreed upon date for this celebration. Some muslims do not approve of celebrating the birthday and regard doing so as a religious innovation.