'Month' in the Bible

In the second year of Darius the king, in the sixth month, on the first day of the month, came the word of Jehovah by the prophet Haggai unto Zerubbabel the son of Shealtiel, governor of Judah, and to Joshua the son of Jehozadak, the high priest, saying,

in the four and twentieth day of the sixth month, in the second year of Darius the king.

In the seventh month, on the one and twentieth day of the month, came the word of Jehovah by the prophet Haggai, saying,

On the four and twentieth day of the ninth month, in the second year of Darius, came the word of Jehovah by Haggai the prophet, saying,

Consider, I pray you, from this day and onward, from the four and twentieth day of the ninth month, from the day that the foundation of Jehovah's temple was laid, consider it.

And the word of Jehovah came the second time unto Haggai on the four and twentieth day of the month, saying,