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
Fasting during Ramadan Ramadan. Fasting during Ramadan During the entire month of Ramadan, Muslims are obligated to fast (, "sawm"), every day from dawn to sunset (or from dawn to night according to some scholars). Fasting requires the abstinence from food, drink . Fasting the month of Ramadān was made obligatory (wājib) during the month of Sha‘bān, in the second year after the Muslims migrated from Makkah to Madīnah. Fasting the month of Ramadan is one of the Five Pillars of Islam. Fasting during the month of Ramadan is specifically mentioned in three consecutive verses of the Qur'an: O ye who believe! Fasting