Vrittamanjari 18.2

Vṛttamañjarī 18.2

dvitīyakaṃ guru sacaturthakaṃ yadā
bhavettathā navamamupāntagādimam
trayodaśaṃ yatiratha cedyugagrahairucipradā'smṛta rucirā'thavā tadā