Becasue of precesion sirius is not visible in egypt till 10.500b.c.
At the same time Orion is due south, Pole of ecliptic is due north of celestial pole (53.5 degrees in sky) all when Vernal point is due east. 

sun is 7 degrees below horizen for helicacl rising of sirius

1 Ad139, 1321 B.C., 2781 B.C.


Sirus sets 12/22/2012 at dawn.



Giza is laid out to match this. Central pyramid slope of 53 07' 48.
3 pyramids mach orions belt
Southern shaft of great pyramid faces orion.

The Sphynix is due east to match Leo where the vernal point is.

3300B.C. heliacal rising of sirius on june 21.
shifts 8.5 days/1000 years later due to precession.


2450B.C. heliacal rising of Zeta Orionis is when a line drawn mizar - pole -kochab is vertical. Pyramids built at this time.



in 50A.D. sirius sets on Dec 25 at sunset (time of marks gospel).


Venus transit June 5-6 2012


Hebrew calendar -> lunar
Egyptian- > sothic cycle
	helical rising of sirius 1460 year cycle
myan -> 2012, venus


Myan year 0 3114 B.C.


Great Year: 25,765 (varies slightly: 25,791 - 25,744)

age of taurus end apr 2000b.c. vernally, 11,500 autumnally.