In fact, the Genesis calendar, the oldest and most accurate one, begins with the birth of Adam, which is the New Year in the OT calendar, and its calculation of some 5700 years does not include the creation days of chapter one.
Not really do to the fact that it is a lunar calender and every three years it needs an additional month to keep the seasons in line. The Gregorian calender is much more accurate in that it only needs to add one day every 3000 years.
There is no better love between 2 people than mutual respect for each other WT Young, 2002
Who gave anyone the authority to call me an authority on anything. WT Young, 1969