Haggai 2:20
And again the word of the Lord came unto Haggai in the four and twentieth day of the month, saying,
Cross-reference
Haggai 2:10
Historical context
Both share the same date (24th day of 9th month). Haggai 2:10 is the first word that day; 2:20 is a second word later the same day.
Ezra 5:2
Historical context
Ezra 5:2 records Zerubbabel and Jeshua rebuilding the temple with support from Haggai and Zechariah, providing historical context for Haggai's prophecy.
Zechariah 1:1
Historical context
Zechariah 1:1 dates an oracle in the 8th month of Darius' 2nd year, same time period as Haggai's 9th month oracle. Contemporary prophetic activity.