Mambo ya Walawi 23 : 6 Leviticus chapter 23 verse 6

Na siku ya kumi na tano ya mwezi ule ule ni sikukuu kwa Bwana ya mkate usiotiwa chachu; mtaila mikate isiyochachwa muda wa siku saba.
soma Mlango wa 23

On the fifteenth day of the same month is the feast of unleavened bread to Yahweh. Seven days you shall eat unleavened bread.