en_tn/1ki/12/32.md

in the eighth month, on the fifteenth day of the month

This is the eighth month of the Hebrew calendar. The fifteenth day is near the beginning of November on Western calendars. AT: "on the fifteenth day of the eighth month" (See: rc://en/ta/man/translate/translate-hebrewmonths and rc://en/ta/man/translate/translate-ordinal)

went up to the altar

"Went up" here is an idiom for going to a sacred place to worship since these altars were located on high places. AT: "offered sacrifices on the altar" (See: rc://en/ta/man/translate/figs-idiom)