Where it appears

• 1 Kgs 12:33He 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.
• Neh 6:8Then I sent to him, saying, “There are no such things done as you say, but you imagine them out of your own heart.”