सर्प-बलि-प्रारम्भः (आर्तवः, उत्तर-भारते)

Timing Siṃha (सिंह) rāśi, tropical, Śukla Pakṣa Pūrṇimā

Offer bali to serpents on (from) this day, in the night after sthAlIpAka.