Exodus 34:21-23

Amplified Bible, Classic Edition

²¹ Six days you shall work, but on the seventh day you shall rest; even in plowing time and in harvest you shall rest [on the Sabbath].

²² You shall observe the Feast of Weeks, the firstfruits of the wheat harvest, and the Feast of Ingathering at the year’s end.

²³ Three times in the year shall all your males appear before the Lord God, the God of Israel.