Thus every calendar (solar) month there are two Ekadasis, the light Ekadasi that occurs on the eleventh day of the waxing moon, and the dark Ekadasi that occurs on the eleventh day of the waning moon.
(two Ekadasis; occurs; T:on the eleventh day of the waxing moon) (the dark Ekadasi; occurs; T:on the eleventh day of the waning moon)
two Ekadasis the dark Ekadasi
occurs occurs
T:on the eleventh day of the waxing moon
T:on the eleventh day of the waning moon