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 such as M. Al-Azami, object. With professional athletes sharing their experiences of fasting during this religious period, Ramadan is more in the public eye than ever before - and while tradition, culture and religion remain at the forefront, more and more Muslims are finding ways to fit their lifestyle around their faith. The beginning and end of Ramadan are determined by the lunar Islamic calendar. "Hilāl" (the crescent) is typically a day (or more) after the astronomical new moon. Since the new moon marks the beginning of the new month, Muslims can usually safely estimate the beginning of Ramadan. However,