Exodus 13:10 in the King James Version
Thou shalt therefore keep this ordinance in his season from year to year.
Context
9 It shall be for a sign to you on your hand, and for a memorial between your eyes, that the LORD’s law may be in your mouth; for with a strong hand the LORD has brought you out of Egypt.
10 You shall therefore keep this ordinance in its season from year to year.
11 “It shall be, when the LORD brings you into the land of the Canaanite, as he swore to you and to your fathers, and will give it to you,