You are to observe the Feast of Unleavened Bread. Seven days you are to eat unleavened bread, as I commanded you, at the time appointed in the month Abib (for in it you came out from Egypt). And no one is to appear before me empty-handed. Bible other translations

“Abib.” The first month of the civil year at this time (the first month of the religious calendar was Tishri). Abib was later also called Nisan.

Commentary for: Exodus 23:15