Leviticus 23:1-3

New King James Version

Feasts of the Lord

23 And the Lord spoke to Moses, saying, ² “Speak to the children of Israel, and say to them: ‘The feasts of the Lord, which you shall proclaim to be ^(A)holy convocations, these are My feasts.

The Sabbath

^3 (B)‘Six days shall work be done, but the seventh day is a Sabbath of solemn rest, a holy convocation. You shall do no work on it; it is the Sabbath of the Lord in all your dwellings.