Exodus 12:2
2 f“This month shall be for you the beginning of months. It shall be the first month of the year for you.
Exodus 12:18
18 aIn the first month, from the fourteenth day of the month at evening, you shall eat unleavened bread until the twenty-first day of the month at evening.
Exodus 40:2
2 “On the hfirst day of the first month you shall ierect the tabernacle of the tent of meeting.
Exodus 40:17
17 In the first month in the second year, on the first day of the month, vthe tabernacle was erected.