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
Sarajevo Ramadan Festival The festival lasts for the length of Ramadan and is composed of numerous programmes that are held all over the city. Open-air Iftar, the evening meal with which Muslims end their daily Ramadan fast at sunset, open to Muslims and non-Muslims alike, is organized every evening in the Žuta Tabija fortress that overlooks the city. Exhibitions of Islamic art, including calligrophy, paintings, pottery and marquetry are held in the Gazi Husrev-beg Library which also hosts readings of renowned Islamic poetry. A trade fair of book publishers on Islamic art is another of the numerous festival programmes. Interactive lectures, pannel discussions