Exodus 23:16

You are also to keep the Feast of Harvest with the firstfruits of the produce from what you sow in the field. And keep the Feast of Ingathering at the end of the year, when you gather your produce from the field.

Note That is, Shavuot, the late spring feast of pilgrimage to Jerusalem; it is also known as the Feast of Weeks (see Exodus 34:22) or the Feast of Pentecost (see Acts 2:1).

Note That is, Sukkot, the autumn feast of pilgrimage to Jerusalem; it is later called the Feast of Tabernacles (or Booths or Shelters).

BSB · Berean Standard Bible
And the feast of harvest, the firstfruits of thy labours, which thou hast sown in the field: and the feast of ingathering, which is in the end of the year, when thou hast gathered in thy labours out of the field.
KJV · King James Version
And the feast of harvest, the first fruits of your labors, which you sow in the field; and the feast of ingathering, at the end of the year, when you gather in your labors out of the field.
WEB · World English Bible
and the feast of harvest, the first-fruits of thy labors, which thou sowest in the field: and the feast of ingathering, at the end of the year, when thou gatherest in thy labors out of the field.
ASV · American Standard Version

Related passages

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

feast of harvest
Exodus 22:29; Exodus 34:22; Leviticus 23:9–21; Numbers 28:26–31; Deuteronomy 16:9–12; Acts 2:1
in-gathering
Exodus 34:22; Leviticus 23:34–44; Numbers 29:12–39; Deuteronomy 16:13–15; Nehemiah 8:14–18; Zechariah 14:16–19; John 7:2, 37