"Kislev" is the ninth month of the Hebrew calendar. The fourth day of Kislev is near the end of November on Western calendars. (See: [[rc://en/ta/man/jit/translate-hebrewmonths]] and [[rc://en/ta/man/jit/translate-names]])
This idiom is used to introduce a special message from God. Alternate translation: "Yahweh gave a message to Zechariah" or "Yahweh spoke this message to Zechariah" (See: [[rc://en/ta/man/jit/figs-idiom]])