Exodus 23:16-18

New Catholic Bible

¹⁶ “You shall also observe the Harvest Feast of the firstfruits of that which you have sown in the fields as well as the Feast of Ingathering at the end of the year when you gather the fruit of your labor in the fields.

¹⁷ “Three times a year all your men shall appear before the Lord God.

¹⁸ “You shall not offer the blood of my sacrifice with leavened bread, nor shall you allow the fat of my feast to remain till the morning.