'Sixteenth' in the Bible

the fifteenth for Bilgah, the sixteenth for Immer,

the sixteenth to Hananiah, his sons and his relatives, for a total of twelve;

They began their consecration duties on the first day of the first month and finished at the LORD's outer vestibule on the eighth day of the month. Another eight days was used to consecrate the LORD's Temple, so they completed the work on the sixteenth day of the first month.