Exodus 34:21-23 English Standard Version Anglicised (ESVUK)
21 “For six days you shall work, but on the seventh day you shall rest. In ploughing time and in harvest you shall rest. 22 You shall observe the Feast of Weeks, the firstfruits of 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.