1 And the LORD spoke to Moses in the wilderness of Sinai, in the first month of the second year after they had come out of the land of Egypt, saying,
Numbers 9:1 Cross References - Webster
Exodus 40:2
2 On the first day of the first month shalt thou set up the tabernacle of the tent of the congregation.
Numbers 1:1
1 And the LORD spoke to Moses in the wilderness of Sinai, in the tabernacle of the congregation, on the first day of the second month, in the second year after they had come out of the land of Egypt, saying,