Both the Babylonian Chronicles and the biblical Chronicles indicate that Nebuchadnezzar captured Jerusalem, but secular scholars have attempted to set a year when the event took place.
The Babylonian Chronicles, which were published by Donald Wiseman in 1956, establish that Nebuchadnezzar captured Jerusalem the first time on 2 Adar (16 March) 597 BCE.
The Hebrew calendar is a comparatively imprecise system in terms of reflecting the duration of a solar year, which is the time it takes Earth to complete a full orbit around the Sun.
In comparison with the timing of the astronomical seasons, it is off by 1 day every 216 years.
In Israel, it is also used for agricultural and civil purposes, alongside the Gregorian calendar.However, for religious purposes, the year begins on Nisan 1.Months in the Gregorian calendar According to Hebrew time reckoning we are now in the 6th millennium.On average, the moon revolves around the Earth in about 29½ days.The Earth revolves around the sun in about 365¼ days, that is, about 12.4 lunar months.