'Month' in the Bible

In the eighth month of Darius' second year, the word of the Lord came to the prophet Zechariah, son of Berechiah son of Iddo, as follows:

On the twenty-fourth day of the eleventh month, the month Shebat, in Darius' second year, the word of the Lord came to the prophet Zechariah son of Berechiah son of Iddo, as follows:

In King Darius' fourth year, on the fourth day of Kislev, the ninth month, the word of the Lord came to Zechariah.

by asking both the priests of the temple of the Lord who rules over all and the prophets, "Should we weep in the fifth month, fasting as we have done over the years?"

Next I eradicated the three shepherds in one month, for I ran out of patience with them and, indeed, they detested me as well.