Most Relevant Verses
You shall keep the feast of unleavened bread: (you shall eat unleavened bread seven days, as I commanded you, in the time appointed of the month Abib; for in it you came out from Egypt: and none shall appear before me empty:)
The feast of unleavened bread shall you keep. Seven days you shall eat unleavened bread, as I commanded you, in the time of the month Abib: for in the month Abib you came out from Egypt.
Observe the month of Abib, and keep the passover unto the LORD your God: for in the month of Abib the LORD your God brought you forth out of Egypt by night.