Leviticus 23:1-6 WEB

1 Yahweh spoke to Moses, saying,
2 Speak to the children of Israel, and tell them, The set feasts of Yahweh, which you shall proclaim to be holy convocations, even these are my set feasts.
3 Six days shall work be done: but on the seventh day is a Sabbath of solemn rest, a holy convocation; you shall do no manner of work: it is a Sabbath to Yahweh in all your dwellings.
4 These are the set feasts of Yahweh, even holy convocations, which you shall proclaim in their appointed season
5 In the first month, on the fourteenth day of the month at even, is Yahweh's Passover.
6 On the fifteenth day of the same month is the feast of unleavened bread to Yahweh: seven days you shall eat unleavened bread.