Ramadan, in Islam, the ninth month of the Muslim year, during which all Muslims must fast during the daylight hours. Indulgence of any sort is forbidden during the fast. There are only a few who are exempt, e.g., soldiers, the sick, and the young. Because of the purely lunar calendar, Ramadan falls in different seasons. The final day of Ramadan, Id al-Fitr, is celebrated by a day of feasting. The first revelation of the Qur'an is commemorated in this month.

In Islam, a holy month of fasting, the ninth month of the Muslim year, commemorating the revelation of the Qurhamzahān to Muhammad. As an act of atonement, Muslims are required to fast and abstain from sexual activity during the daylight hours of Ramadan. Determined according to the lunar calendar, Ramadan can fall in any season of the year. The Ramadan fast is considered one of the Five Pillars of Islam, and the end of the fast is celebrated as one of the important religious holidays of Islam.

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