gza' skar tshes rtsis
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གཟའ་སྐར་ཚེས་རྩིས
means of astronomical calculation [IW]
Calculation of planets, stars and days/dates. [Erick Tsiknopoulos]
གཟའ་སྐར་ཚེས་རྩིས
means of astronomical calculation [IW]
Calculation of planets, stars and days/dates. [Erick Tsiknopoulos]