Devibhagavatapurana 11.21.26

Devībhāgavatapurāṇa 11.21.26

aṅgāraṃ śanivāraṃ ca vyatīpātaṃ ca vaidhṛtim |
aṣṭamīṃ navamīṃ ṣaṣṭhīṃ caturthīṃ ca trayodaśīm ||