Jul 20, 2017

from 8 A.D.


Like this, the winter solstice of the Jews became on Sunday of December 25 of 7 A.D.

Sunday, December 25, 26, 27, 28, 29, 30, 31, Sunday, January 1.

Therefore the old Gregorian calendar of Astronomy became the Julian calendar of Astronomy, and it became the new Julian calendar from 8 A.D.