Skandapurana 14.31.15

14.31.15

tasya cchāyā dvitīyā sā na naṣṭā tatra bhūpate ..
tataḥ kanakhalaṃ prāptaḥ supuṇyaṃ śuddhidaṃ nṛṇām .. 15 ..

That second shadow of his did not disappear there, O lord of the earth; / then he reached Kanakhala, which is very holy and confers purity upon mortals;