en_tn/hag/01/15.md

in the twenty-fourth day of the sixth month

This is just 23 days after he received the vision. This is the sixth month of the Hebrew calendar. The twenty-fourth day is near the middle of September on Western calendars. (See: rc://en/ta/man/jit/translate-hebrewmonths and rc://en/ta/man/jit/translate-ordinal)

the second year of Darius the king

"second year of the reign of Darius the king" or "after Darius had been king for more than one year" (See: rc://en/ta/man/jit/translate-ordinal)