"Fruits as same as that are yielded by a man by remaining undeviatingly engaged in penance at Kasi on the banks of Jahnavi (an epithet of Gahga) for a thousand of yugascan be obtained by the religious observance of sitting throughout the night with eyes wide-open in the worship of Krsna on the eleventh day of the month"
January 1, 1970
https://en.wikiquote.org/wiki/Ganges_in_Hinduism