Leviticus 23:6 KJV
And on the fifteenth day of the same month is the feast of unleavened bread unto the Lord: seven days ye must eat unleavened bread.
Leviticus 23:6, King James Version
In context
5 In the fourteenth day of the first month at even is the Lord’s passover.
6 And on the fifteenth day of the same month is the feast of unleavened bread unto the Lord: seven days ye must eat unleavened bread.
7 In the first day ye shall have an holy convocation: ye shall do no servile work therein.