
The following was taken from “Our Merciful Mother Ganga” (page 377):
Ganga-saptami or Jahnu-saptami appears in the month of Vaisakha (Vaisnava month of Madhusudana-April/May) on the 7th day of Sukla-paksa, or the waxing fortnight of the full moon. After the Ganga descended onto the Himalayas, the river entered the sacrificial arena of Jahnu Rsi and disturbed his mediation.
As stated in the Padma Purana (Patala-khanda 85.49):
“Formerly on the seventh day of the bright half of Vaisakha, Ganga was d