According to the Jyotir-veda, the Rahu planet comes in front of the full moon, and thus a lunar eclipse takes place. It is customary in India that all the followers of the Vedic scriptures bathe in the Ganges or the sea as soon as there is a lunar or solar eclipse. All strict followers of Vedic religion stand up in the water throughout the whole period of the eclipse and chant the Hare Krsna maha-mantra. At the time of the birth of Lord Caitanya Mahaprabhu such a lunar eclipse took place, and naturally all the people standing in the water were chanting Hare Krsna, Hare Krsna, Krsna Krsna, Hare Hare Hare Rama, Hare Rama, Rama Rama, Hare Hare.