what is the true date? what are the true seasons?

EPL INFORMATION FOR YOUR BUILDING SOUL

If our current calendar is based on Jesus birth, and magi of zoroastrian origin were the wise men, who foretold Jesus birth, or truly, Birth of the Messiah, then would we not use this calendar for our own uses, to show the ultimate respect to the Messiah?

http://heritageinstitute.com/zoroastrianism/calendar/index.htm

http://en.wikipedia.org/wiki/Zoroastrian_calendar

Other

http://www.timeanddate.com/calendar/roman-calendar.html

http://en.wikipedia.org/wiki/Julian_calendar