Skandapurana 17.12.15

17.12.15

tīrthe saṃkalpitaṃ martyaistadanaṃtaṃ prajāyate ..
ayane viṣuve caiva saṃkrāṃtau grahaṇeṣu ca .. 15 ..

Whatever is dedicated by mortals at a sacred ford becomes endless: / at the solstices, the equinoxes, the solar transitions, and during eclipses;