Exodus 23:15 reiterates the command to observe the month of Abib as the time of Unleavened Bread, confirming this calendar.

Exodus 34:18 repeats the month of Abib for Unleavened Bread, reinforcing the first-month status from here.

Exodus 40:2 sets up the tabernacle on the first day of the first month — directly using this month for a key event.

Exodus 19:1 dates Israel's arrival at Sinai in the third month — continuing the calendar system from the first month.

Leviticus 23:5 specifies the Passover on the 14th of the first month, giving the precise date for this month.

Numbers 28:16 also sets Passover on the 14th of the first month, a direct application of this calendar.

Deuteronomy 16:1 commands to observe the month of Abib for Passover, directly tying back to the first-month declaration here.

In Esther 3:7, the same first month Nisan is used for casting lots — confirming the calendar established here.

Numbers 33:3 records the Exodus departure on the fifteenth day of the first month — same month and event.

Joshua 4:19 dates Israel's crossing of the Jordan on the tenth day of the first month — using the same calendar.

2 Chronicles 29:17 describes Hezekiah's temple cleansing starting on the first day of the first month — same month reference.

Ezekiel 45:18 prescribes a cleansing ritual on the first day of the first month — continuing the calendar.

Numbers 9:11 allows a second-month Passover — building on the first-month calendar established here.