В пятый день месяца (это был пятый год от пленения царя Иоакима),
On the fifth of the month — it was the fifth year of the exile of King Jehoiachin —
On the fifth day of the month (it was the fifth year of the exile of King Jehoiachin),
(On the fifth of the month in the fifth year of King Jehoiachin’s exile,
This happened during the fifth year of King Jehoiachin’s captivity.
In the fifth day of the month, which was the fifth year of king Jehoiachin's captivity,
On the fifth day of the month, which was in the fifth year of King Jehoiachin’s captivity,
On the fifth of the month, (it was the fifth year of king Jehoiachin's captivity,)