Exodus 12:2
"This month shall be your chief month: even the first month of the year shall it be unto you.
Deuteronomy 16:1
Observe the month of Abib, and offer Passover unto the LORD thy God. For in the month of Abib, the LORD thy God brought thee out of Egypt by night:
Exodus 13:4
This day come ye out of Egypt in the month of Abib.
Exodus 23:15
Thou shalt keep the feast of sweet bread, that thou eat unleavened bread seven days long as I commanded thee in the time appointed of the month of Abib, for in that month thou camest out of Egypt: and see that no man appear before me empty.
Exodus 34:18
The feast of sweet bread shalt thou keep, and seven days thou shalt eat unleavened bread, as I commanded thee, in the time appointed in the month of Abib: for in the month of Abib thou camest out of Egypt.
Leviticus 23:5
The fourteenth day of the first month at evening is the LORD's Passover.
Numbers 28:16
And the fourteenth day of the first month shall be Passover unto the LORD.
Esther 3:7
In the first month, that is the month Nisan, in the twelfth year of king Ahasuerus they cast Pur - that is, a lot - before Haman, on what day and what month this should be done: and it went out the twelfth month, that is the month Adar.