Five days (in leap years six) were added at the end of the year to bring it into coincidence with the solar year.
In this way the solar year might be mapped out and divided into Solstices and Equinoxes.
Is it impious to ask how these builders knew the solar year so completely?
But this was very irregularly done, and the civil year had got to be far away from the solar year.
Twelve lunar periods, making up approximately the solar year, gave peculiar importance to the number twelve also.
The adjustment of the solar year to correspond with the lunar year and of the two with the civil year dates from this period.
Multiply the difference between the Julian and the solar year by 100, and we have the error in 100 years.
They had an accurate measure of the solar year and a system of chronology, and many of their writings were historical.
Astronomy was sufficiently understood for the accurate measurement of time in the divisions of the solar year.
The lack of co-ordination with the solar year results in a total separation of the seasonal year and the calendar year.
|solar year |
See under solar time.