Shiva Purana

siva.sh/siva-purana/kotirudra-samhita/6/60

वैशाखे चैव संप्राप्ते सप्तम्याश्च दिने शुभे ।। सितेपक्षे सदा गंगा ह्यायाति द्विजसत्तम ।। ६०।।

sanskrit

O excellent brahmin, in the month of Vaiśākha on the auspicious seventh day in the bright half, Gaṅgā comes here always.

english translation

vaizAkhe caiva saMprApte saptamyAzca dine zubhe || sitepakSe sadA gaMgA hyAyAti dvijasattama || 60||

hk transliteration by Sanscript