GOD'S WORD® Translation
He went to his altar in Bethel to burn an offering on the fifteenth day of the eighth month, [the festival] he had invented for the Israelites.

American Standard Version
And he went up unto the altar which he had made in Beth-el on the fifteenth day in the eighth month, even in the month which he had devised of his own heart: and he ordained a feast for the children of Israel, and went up unto the altar, to burn incense.

Berean Study Bible
On the fifteenth day of the eighth month, a month of his own choosing, Jeroboam offered sacrifices on the altar he had set up in Bethel. So he ordained a feast for the Israelites, offered sacrifices on the altar, and burned incense.

Douay-Rheims Bible
And he went up to the altar, which he had built in Bethel, on the fifteenth day of the eighth month, which he had devised of his own heart: and he ordained a feast to the children of Israel, and went upon the altar to burn incense.

English Revised Version
And he went up unto the altar which he had made in Beth-el on the fifteenth day in the eighth month, even in the month which he had devised of his own heart: and he ordained a feast for the children of Israel, and went up unto the altar, to burn incense.

King James Bible
So he offered upon the altar which he had made in Bethel the fifteenth day of the eighth month, even in the month which he had devised of his own heart; and ordained a feast unto the children of Israel: and he offered upon the altar, and burnt incense.

World English Bible
He went up to the altar which he had made in Bethel on the fifteenth day in the eighth month, even in the month which he had devised of his own heart: and he ordained a feast for the children of Israel, and went up to the altar, to burn incense.

Young's Literal Translation
And he offereth up on the altar that he made in Beth-El, on the fifteenth day of the eighth month, in the month that he devised of his own heart, and he maketh a festival to the sons of Israel, and offereth on the altar -- to make perfume.

1 Kings 12:33 Additional Translations ...