NET

33 On the fifteenth day of the eighth month (a date he had arbitrarily chosen) Jeroboam offered sacrifices on the altar he had made in Bethel. He inaugurated a festival for the Israelites and went up to the altar to offer sacrifices.

Darby

33 And he offered upon the altar that he had made in Bethel, on the fifteenth day of the eighth month, in the month which he had devised of his own heart; and he made a feast for the children of Israel, and he offered upon the altar, burning incense.

KJV

33 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.