Exodus 40:2, 17
Exodus 40:2 AMP
“On the first day of the first month (Abib) you shall set up the tabernacle of the Tent of Meeting [of God with you].
Exodus 40:17 AMP
Now it happened on the first day of the first month (Abib) in the second year [after the exodus from Egypt], that the tabernacle was erected.