'Fourth' in the Bible

and in the third chariot white horses; and in the fourth chariot grizzled strong horses.

And it came to pass in the fourth year of king Darius, that the word of Jehovah came unto Zechariah in the fourth day of the ninth month, even in Chislev.

Thus saith Jehovah of hosts: The fast of the fourth month , and the fast of the fifth, and the fast of the seventh, and the fast of the tenth, shall be to the house of Judah joy and gladness, and cheerful feasts; therefore love truth and peace.