Skandapurana 16.18.13

16.18.13

tasminkalpe mahādevi gate saṃdhyāṃśake priye ..
prathamasya manoścādau devi svāyaṃbhuvasya hi .. 13 ..

In that kalpa, O Great Goddess, when the dawn twilight had passed, O beloved, / and at the beginning of the first Manu, Svāyambhuva indeed, O Goddess, 13.