Pillars of Islam, the five duties incumbent on every Muslim: shahādah, the Muslim profession of faith; ṣalāt, or prayer, performed in a prescribed manner five times each day; zakāt, the alms tax levied to benefit the poor and the needy; ṣawm, fasting during the month of Ramadan; and hajj, the major pilgrimage to Mecca, if financial and physical conditions permit.