2 Chronicles 8:13

He observed the daily requirement for offerings according to the commandment of Moses for Sabbaths, New Moons, and the three annual appointed feasts—the Feast of Unleavened Bread, the Feast of Weeks, and the Feast of Tabernacles.

Note That is, the seven-day period after the Passover during which no leaven may be eaten; see Exodus 12:14–20.

Note That is, Shavuot, the late spring feast of pilgrimage to Jerusalem; it is also known as the Feast of Harvest (see Exodus 23:16) or the Feast of Pentecost (see Acts 2:1).

Note That is, Sukkot, the autumn feast of pilgrimage to Jerusalem; also translated as the Feast of Booths or the Feast of Shelters and originally called the Feast of Ingathering (see Exodus 23:16 and Exodus 34:22).

BSB · Berean Standard Bible
Even after a certain rate 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.
KJV · King James Version
even as the duty of every day required, offering according to the commandment of Moses on the Sabbaths, on the new moons, and on the set feasts, three times per year, during the feast of unleavened bread, during the feast of weeks, and during the feast of booths.

Note or, feast of tents (Sukkot)

WEB · World English Bible
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 tabernacles.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

every day
Exodus 29:38–42; Leviticus 23:1–17; Numbers 28:1; Ezekiel 45:17; Ezekiel 46:3–15
three times
Exodus 23:14–17; Deuteronomy 16:16; 1 Kings 9:25