Upapattishekhara 27.19

Upapattiśekhara 27.19

tithyaṅke śaśini sitā'sitā tithiḥ syāt
tadviṣṇyaṃ carati sudhākarastu yatra
syād yogo nijadaśabhāgahīnatithyā
hīnaṃ tad dviguṇabhinastayonabhe ca