Ramadan is a holy month of worship, study of the Quran, prayer, and fasting. Ramadan occurs during the month in which Muslims believe the Quran began to be revealed to the Prophet Muhammad. It is a joyous celebration for Muslims. Fasting is one of the Five Pillars of Islam. Healthy adults are expected to observe

Eid al-Fitr, also called the "Festival of Breaking the Fast", is a religious holiday celebrated by Muslims worldwide that marks the end of the month-long dawn-to-sunset fasting of Ramadan. This religious Eid is the only day in the month of Shawwal during which Muslims are not permitted to fast. https://en.wikipedia.org/wiki/Eid_al-Fitr