Exodus 40:17

And it came to pass in the first month in the second year, on the first day of the month, that the tabernacle was reared up.

Numbers 7:1

And it came to pass on the day that Moses had made an end of setting up the tabernacle, and had anointed it and sanctified it, and all the furniture thereof, and the altar and all the vessels thereof, and had anointed them and sanctified them;

Exodus 40:1-2

And Jehovah spake unto Moses, saying,

Numbers 9:1

And Jehovah spake unto Moses in the wilderness of Sinai, in the first month of the second year after they were come out of the land of Egypt, saying,

Treasury of Scripture Knowledge

Summary

And it came to pass in the first month in the second year, on the first day of the month, that the tabernacle was reared up.

Bible References

The first month

Exodus 40:1
And Jehovah spake unto Moses, saying,
Numbers 7:1
And it came to pass on the day that Moses had made an end of setting up the tabernacle, and had anointed it and sanctified it, and all the furniture thereof, and the altar and all the vessels thereof, and had anointed them and sanctified them;
Numbers 9:1
And Jehovah spake unto Moses in the wilderness of Sinai, in the first month of the second year after they were come out of the land of Egypt, saying,

American Standard Version Public Domain