Observed by Muslims worldwide as a month of fasting to commemorate the first revelation of the Qur'an to the Prophet Muhammad.

**As noted on the Anti-Defamation League Calendar,  Bahá’í, Jewish, and Islamic holidays begin at sundown the previous day and end at sundown on the date listed.

Source:

“Calendar of Observances.” Anti-Defamation League, 2019,  www.adl.org/education/resources/tools-and-strategies/calendar-of-observances. Accessed 25 Sept. 2020.