en_tn_lite_do_not_use/exo/40/17.md

So the tabernacle was set up

This can be stated in active form. Alternate translation: "So the people set up the tabernacle" (See: rc://en/ta/man/translate/figs-activepassive)

the first day of the first month

This refers to exactly one year after God rescued his people from Egypt. This happens around the middle of March on Western calendars. See how you translated this in Exodus 40:2. (See: rc://en/ta/man/translate/translate-hebrewmonths and rc://en/ta/man/translate/translate-ordinal)

in the second year

This is the second year after Yahweh brought his people out of Egypt. (See: rc://en/ta/man/translate/translate-ordinal)