on the twenty-fourth day of the sixth month, in the second year of King Darius.

Haggai 1:14
So the LORD stirred the spirit of Zerubbabel son of Shealtiel, governor of Judah, and the spirit of Joshua son of Jehozadak, the high priest, as well as the spirit of all the remnant of the people. And they came and began the work on the house of the LORD of Hosts, their God,

Haggai 2:1
On the twenty-first day of the seventh month, the word of the LORD came through Haggai the prophet, saying:

Zechariah 1:1
In the eighth month of the second year of Darius, the word of the LORD came to the prophet Zechariah son of Berechiah, the son of Iddo, saying:

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