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the twenty-fourth day of the eleventh month, which is the month of Shebat
"Shebat" is the eleventh month of the Hebrew calendar. The twenty-fourth day is near the middle of February on Western calendars. (See: rc://en/ta/man/translate/translate-hebrewmonths and rc://en/ta/man/translate/translate-ordinal and rc://en/ta/man/translate/translate-names)
in the second year of Darius' reign
"in the second year of the reign of Darius the king" or "in the second year since Darius became king." See how you translated this in Zechariah 1:1. (See: rc://en/ta/man/translate/translate-ordinal)
the word of Yahweh came
This idiom is used to introduce a special message from God. See how you translated this in Zechariah 1:1. AT: "Yahweh gave a message" or "Yawheh spoke this message" (See: rc://en/ta/man/translate/figs-idiom)
Berechiah ... Iddo
These are the names of men. (See: rc://en/ta/man/translate/translate-names)