The obligatory charity (Zakat) must be given away "on the day of harvest" (6:141). Whenever we receive "net income," we must set aside 2.5% and give it to the specified recipients - the parents, relatives, orphans, the poor, and the traveling alien, in this order (2:215). The vital importance of Zakat is reflected in God's law: "My mercy encompasses all things, but I will specify it for the righteous who give Zakat" (7:156).