Exodus 40:2 KJV

On the first day of the first month shalt thou set up the tabernacle of the tent of the congregation.
Exodus 40:2, King James Version

In context

1 And the Lord spake unto Moses, saying,

2 On the first day of the first month shalt thou set up the tabernacle of the tent of the congregation.

3 And thou shalt put therein the ark of the testimony, and cover the ark with the vail.