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
Tariq Ramadan group debated the lengths to which Western nations should go to accommodate their Muslim populations. Ramadan works primarily on Islamic theology and the position of Muslims in the West and within Muslim majority countries. Generally speaking, he prioritizes Qur'anic interpretation over simply reading the text, in order to understand its meaning and to practice the tenets of Islamic philosophy. Referring to himself, Ramadan has at times used the construction "Salafi Reformist" to illustrate his stance. He rejects a binary division of the world into "dar al-Islam" (the abode of Islam) and "dar al-harb" (the abode of war), on the grounds