ཁྱིམ་ཞག 1/30 of time for sun to pass over zodiac, time, zodiacal day [JV]
a 'zodiacal day' [1 / 30th of sun traversing 1 khyim [RY]
a 'zodiacal day' (1/30th of the month- long period of sun traversing 1 house khyim [IW]