2 Chronicles 8:13
Even according to a certain duty every day, offering according to the commandment of Moses, on the sabbaths, and on the new moons, and on the solemn feasts, three times in the year, even in the feast of unleavened bread, and in the feast of weeks, and in the feast of tabernacles.
Deuteronomy 16:16
Three times in a year shall all your males appear before the LORD 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 tabernacles: and they shall not appear before the LORD empty:
Exodus 23:14-17
Three times you shall keep a feast unto me in the year.
Exodus 29:38-42
Now this is that which you shall offer upon the altar; two lambs of the first year, day by day continually.
Leviticus 23:1-17
And the LORD spoke unto Moses, saying,
Numbers 28:1-29
And the LORD spoke unto Moses, saying,
1 Kings 9:25
And three times in a year did Solomon offer burnt offerings and peace offerings upon the altar which he built unto the LORD, and he burnt incense upon the altar that was before the LORD. So he finished the house.
Ezekiel 45:17
And it shall be the prince's part to give burnt offerings, and grain offerings, and drink offerings, in the feasts, and in the new moons, and in the sabbaths, in all appointed feasts of the house of Israel: he shall prepare the sin offering, and the grain offering, and the burnt offering, and the peace offerings, to make reconciliation for the house of Israel.
Ezekiel 46:3-15
Likewise the people of the land shall worship at the door of this gate before the LORD on the sabbaths and on the new moons.