Leviticus 23:4-8

Passover and Unleavened Bread

4 " 'Here are my appointed feasts. Tell the people that they must come together for these sacred feasts at their appointed times
5 My Passover begins when the sun goes down on the 14th day of the first month.
6 " 'My Feast of Unleavened Bread begins on the 15th day of that month. For seven days you must eat bread that is made without yeast.
7 On the first day you must come together for a special service. Do not do any regular work on that day.
8 On each of the seven days bring an offering that is made to me with fire. On the seventh day come together for a special service. Do not do any regular work on that day.' "
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