Guest guest Posted October 5, 2006 Report Share Posted October 5, 2006 Hello Sorry to return to this vexed question of "how long is a year", but does anybody know of astrologers who use the varanga or "nakshatra year" of 12 sidereal lunar revolutions, ie. 327.85 days (12 x 27.32)? Or perhaps the ideal and traditional Vedic varanga year of 324 days (12 x 27)? It must be used by some astrologers, as it's given as an option in some Vedic astrology programs (eg. Parashara's Light, which only allows three possibilities for year length: 365.25, 360 or 327.85). I hadn't paid this option much attention, but having often wondered "why 120?" (for vimsottari dasa) I recently noticed that 120 nakshatra years = 108 solar years (120 x 327.85 = 107.72 x 365.25, and 120 x 324 = exactly 108 x 360). I also found out that the Kalacakra Tantra (on which the Indian-origin sidereal side of Tibetan astrology is almost entirely based) sets out a vimsottari system (same proportions, eg Ketu 7, Venus 20 etc) but then says that the standard age is actually 108 years, and so reduces these periods proportionately (eg. Venus period would be (20/120)x108 solar years, ie 18 solar years). This suggests that the Kalacakra Tantra is making a solar conversion from a lunar "year" (a varanga/nakshatra year of 327.85 real, or 324 ideal, days). I would be very grateful for any help, or any leads to follow up. Very many thanks Graham Fox Quote Link to comment Share on other sites More sharing options...
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