Exodus 32:5

When Aaron saw this, he built an altar before the calf and proclaimed: “Tomorrow shall be a feast to the Lord.”
BSB · Berean Standard Bible
And when Aaron saw it, he built an altar before it; and Aaron made proclamation, and said, To morrow is a feast to the Lord.
KJV · King James Version
When Aaron saw this, he built an altar before it; and Aaron made a proclamation, and said, “Tomorrow shall be a feast to the Lord.”
WEB · World English Bible
And when Aaron saw this, he built an altar before it; and Aaron made proclamation, and said, To-morrow shall be a feast to Jehovah.
ASV · American Standard Version

Related passages

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

Aaron
1 Samuel 14:35; 2 Kings 16:11; Hosea 8:11, 14
made proclamation
Leviticus 23:2, 4, 21, 37; 1 Kings 21:9; 2 Kings 10:20; 2 Chronicles 30:5
a feast
Exodus 32:4; Exodus 10:9; Exodus 12:14; 1 Kings 12:32, 33; 1 Corinthians 5:8