Skandapurana 16.306.24

16.306.24

.. sūrya uvāca .. ..
adhunā nirmalo dehastava sāṃba bhaviṣyati .. ihāgatya naro yastu saptamyāṃ ravivāsare ..
upavāsaparo bhūtvā rātrau jāgaraṇe sthitaḥ .. 24 ..

Sūrya said: / “Now your body will become pure, O Sāmba! / Whatever man comes here on a Sunday that is a seventh lunar day, / dedicated to fasting and staying awake during the night,