in re: Jesus as allegory for zodiac.
a couple of points to refine it more. our 30 day calendar is Gregorian, but both the zodiac and Easter dates are tied to the lunar calendar. e.g. 28 day cycles for each sign. pisces is end of cycle i n zodiac. Easter and Mardi gras are ALWAYS a set number of days apart from Lunar new year.
Finally, the director Anton Jodorowski did a movie that uses this notion as its very theme: it's called Holy Mountain and its wierd as shit but worth a watch