Upanishads 44.5

Upaniṣads 44.5

atha yadetadādityasya śuklaṃ bhāḥ saivargatha yannīlaṃ paraḥ
kṛṣṇaṃ tatsāma tadetadetasyāmṛcyadhyūḍham̐ sāma tasmādcyadhyūḍham̐ sāma gīyate