Leviticus 23:3-5

Amplified Bible

The Sabbath

³ ‘For six days work may be done, but the seventh day is the Sabbath of complete rest, a holy convocation (calling together). You shall not do any work [on that day]; it is the Sabbath of the Lord ^[a]wherever you may be.

The Passover and Unleavened Bread

⁴ ‘These are the appointed times of the Lord, holy convocations which you shall proclaim at their appointed times: ⁵ The Lord’s Passover is on the fourteenth day of the first month ^[b]at twilight.