Leviticus 23:5

23:5 In the first month, on the fourteenth day of the month, at twilight, is a Passover offering to the Lord.

Leviticus 23:16

23:16 You must count fifty days – until the day after the seventh Sabbath – and then you must present a new grain offering to the Lord.

Leviticus 23:34

23:34 “Tell the Israelites, ‘On the fifteenth day of this seventh month is the Festival of Temporary Shelters for seven days to the Lord.