en_tn/hag/02/18.md

the twenty-fourth day of the ninth month

This is the ninth month of the Hebrew calendar. The twenty-fourth day is near the middle of December on Western calendars. See how you translated this in Haggai 2:10. (See: rc://en/ta/man/translate/translate-hebrewmonths and rc://en/ta/man/translate/translate-ordinal)

the day that the foundation of the house of Yahweh was laid

This can be translated in active form. Alternate translation: "the day that you laid the foundation of Yahweh's temple" (See: rc://en/ta/man/translate/figs-activepassive)