Skandapurana 5.264.23

5.264.23

sūta uvāca..
śrāvaṇyāṃ samatītāyāṃ dvitīyādivase sthite..
prātarutthāya viprendrā nakṣatre viṣṇudaivate..
pāpiṣṭhaiḥ patitairmlecchaiḥ saṃbhāṣaṃ naiva kārayet..23..

Sūta said: / When the full-moon day of Śrāvaṇa has passed, on the second lunar day, / having risen in the morning, O best of brahmins, when the asterism has Viṣṇu as its deity, / one must not hold conversation with sinners, outcasts, or mlecchas.