The Jews with Ezra left Babylon on the first day of the first month Ezra 7:9. They reached Ahava in nine days, and, having remained there three Ezra 8:15, quitted it, and resumed their journey on the twelfth. They reached Jerusalem on the first day of the fifth month Ezra 7:9, four months after the departure from Babylon.
Related Commentaries of Ezra 8:31
Ezra 8:31
31 Then we departed from the river of Ahava on the twelfth day of the first month, to go unto Jerusalem: and the hand of our God was upon us, and he delivered us from the hand of the enemy, and of such as lay in wait by the way.