Brahmandapurana 1.23.62

Brahmāṇḍapurāṇa 1.23.62

tasmāddhrasaṃti vai kṛṣṇe śukle svāpyāyayanti tam /
ityevaṃ sūryavīryeṇa candraścāpyāyitastataḥ //