Cross reference
Haggai 2:1
1 In the seventh `month', in the twenty and first of the month, hath a word of Jehovah been by the hand of Haggai the prophet, saying:
Haggai 1:1
1 In the second year of Darius the king, in the sixth month, in the first day of the month, hath a word of Jehovah been by the hand of Haggai the prophet, unto Zerubbabel son of Shealtiel, governor of Judah, and unto Joshua son of Josedech, the high priest, saying:
Haggai 1:15
15 in the twenty and fourth day of the sixth month, in the second year of Darius the king.
Haggai 2:10
10 On the twenty and fourth of the ninth `month', in the second year of Darius, hath a word of Jehovah been by the hand of Haggai the prophet, saying:
Haggai 2:20
20 And there is a word of Jehovah a second time unto Haggai, on the twenty and fourth of the month, saying:
2 Peter 1:21
21 for not by will of man did ever prophecy come, but by the Holy Spirit borne on holy men of God spake.