1 In the fourth year of King Darius, the word of the LORD came to Zechariah on the fourth day of the ninth month, the month of Chislev.
Zechariah 7:1 Cross References - MSB
Ezra 6:14-15
14 So the Jewish elders built and prospered through the prophesying of Haggai the prophet and Zechariah son of Iddo. They finished building according to the command of the God of Israel and the decrees of Cyrus, Darius, and Artaxerxes, kings of Persia.
15 And this temple was completed on the third day of the month of Adar, in the sixth year of the reign of King Darius.
Nehemiah 1:1
1 These are the words of Nehemiah son of Hacaliah: In the month of Chislev, in the twentieth year, while I was in the citadel of Susa,
Haggai 2:10
10 On the twenty-fourth day of the ninth month, in the second year of Darius, the word of the LORD came to Haggai the prophet, saying,
Haggai 2:20
20 For the second time that day, the twenty-fourth day of the month, the word of the LORD came to Haggai, saying,
Zechariah 1:1
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: