Leviticus 23:4-8

The Passover

4 1"These are the appointed feasts of the LORD, the 2holy convocations, which you shall proclaim at the time appointed for them
5 3In the first month, on the fourteenth day of the month at twilight,a is the LORD's Passover.
6 And on the fifteenth day of the same month is the Feast of Unleavened Bread to the LORD; for seven days you shall eat unleavened bread.
7 4On the first day you shall have a holy convocation; you shall not do any ordinary work.
8 But you shall present a food offering to the LORD for seven days. On the seventh day is a holy convocation; you shall not do any ordinary work."
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