Nineteen-Day Fast to be the one foretold by the Báb, accepted the fast, but altered many of its details and regulations. The Bahá'í fast resembles fasting practices of several other religions. Lent is a period of fasting for Christians, Yom Kippur and many other holidays for Jews, and the fast of Ramadan is practiced by Muslims. The Bahá'í fasting most resembles the fast of Ramadan, except that the period of fasting is defined as a fixed Bahá'í month, whereas Muslims fast during a lunar month, whose specific Gregorian dates vary from year to year. Bahá'u'lláh established the guidelines of the fast in
Ramadan of Shawwal is called Eid al-Fitr. "Eid al-Fitr" may also be a reference towards the festive nature of having endured the month of fasting successfully and returning to the more natural disposition ("fitra") of being able to eat, drink and resume intimacy with spouses during the day. The common practice during Ramadan is fasting from dawn to sunset. The pre-dawn meal before the fast is called the "suhur", while the meal at sunset that breaks the fast is the "iftar". Muslims also engage in increased prayer and charity during Ramadan. Ramadan is also a month where Muslims try to practice