'Of The Month' in the Bible

The first month and the fourteenth day of the month at even, ye shall eat sweet bread unto the twenty-first day of the month at even again.

Thou shalt keep the feast of sweet bread, that thou eat unleavened bread seven days long as I commanded thee in the time appointed of the month of Abib, for in that month thou camest out of Egypt: and see that no man appear before me empty.