CC Madhya 18.150
ebe yadi yāi, ‘makare’ gaṅgā-snāna pāiye
“I will be very happy if we all leave and take the path by the banks of the Ganges. Then we can have the opportunity of bathing in the Ganges at Prayāga during Makara-saṅkrānti.
There are two great occasions for bathing in the Ganges during Māgha-melā. One is on the day of the dark moon, and the other is on the day of the full moon during the month of Māgha.