Exodus 34:23

23 `Three times in a year do all thy males appear before the Lord Jehovah, God of Israel;

Exodus 34:23 In-Context

21 `Six days thou dost work, and on the seventh day thou dost rest; in ploughing-time and in harvest thou dost rest.

22 `And a feast of weeks thou dost observe for thyself; first-fruits of wheat-harvest; and the feast of in-gathering, at the revolution of the year.

23 `Three times in a year do all thy males appear before the Lord Jehovah, God of Israel;

24 for I dispossess nations from before thee, and have enlarged thy border, and no man doth desire thy land in thy going up to appear before Jehovah thy God three times in a year.

25 `Thou dost not slaughter with a fermented thing the blood of My sacrifice; and the sacrifice of the feast of the passover doth not remain till morning: