2 Chronicles 8:13
even as the duty of every day required, offering according to the commandment of Moses, on the Sabbaths, and on the new moons, and on the set feasts, three times in the year, [even] in the feast of unleavened bread, and in the feast of weeks, and in the feast of tents.
Deuteronomy 16:16
Three times in a year shall all your males appear before Yahweh your God in the place which he shall choose: in the feast of unleavened bread, and in the feast of weeks, and in the feast of tents; and they shall not appear before Yahweh empty:
Exodus 23:14-17
"You shall observe a feast to me three times a year.
Exodus 29:38-42
"Now this is that which you shall offer on the altar: two lambs a year old day by day continually.
Leviticus 23:1-17
Yahweh spoke to Moses, saying,
Numbers 28:1-29
Yahweh spoke to Moses, saying,
1 Kings 9:25
Three times a year did Solomon offer burnt offerings and peace offerings on the altar which he built to Yahweh, burning incense therewith, [on the altar] that was before Yahweh. So he finished the house.
Ezekiel 45:17
It shall be the prince's part to give the burnt offerings, and the meal offerings, and the drink offerings, in the feasts, and on the new moons, and on the Sabbaths, in all the appointed feasts of the house of Israel: he shall prepare the sin offering, and the meal offering, and the burnt offering, and the peace offerings, to make atonement for the house of Israel.
Ezekiel 46:3-15
The people of the land shall worship at the door of that gate before Yahweh on the Sabbaths and on the new moons.