Adha, a time for prayer and charity. The religious festival occurs over three to four days and is one of the major Islamic celebrations observed by Muslims every year. JONES ENTERS RACE: Jolanda Jones jumps into race for Houston's 18th Congressional District Muslims in Houston are expected to gather at Islamic centers and mosques for special prayers to mark the occasion,

To mark Eid al-Adha — Arabic for the Festival of Sacrifice — Muslims traditionally slaughter a sheep or cow and give away part of the meat to the poor as an act of charity. Then they have a big family meal with sweets. Children get gifts of new clothes.