Exodus 34:18
"The feast of unleavened bread shalt thou keep. Seven days thou shalt eat unleavened bread, as I commanded thee, in the time of the month Abib: for in the month Abib thou camest out from Egypt."
Cross References (ranked by relevance)
And on the fifteenth day of the same month is the feast of unleavened bread unto the LORD: seven days ye must eat unleavened bread.
This day came ye out in the month Abib.
Thou shalt keep the feast of unleavened bread: (thou shalt eat unleavened bread seven days, as I commanded thee, in the time appointed of the month Abib; for in it thou camest out from Egypt: and none shall appear before me empty:)
After two days was the feast of the passover, and of unleavened bread: and the chief priests and the scribes sought how they might take him by craft, and put him to death.
And because he saw it pleased the Jews, he proceeded further to take Peter also. (Then were the days of unleavened bread.)
Now the feast of unleavened bread drew nigh, which is called the Passover.
This month shall be unto you the beginning of months: it shall be the first month of the year to you.