Skanda Purana 7.3.80_328

7.3.80_328

sandhyāyāmaparasyāntu94 japan pāpaṃ divākṛtam .
pūrvasyām̐95 ca japam̐ścāpi96 sarvaṃ rātrikṛtaṃ kṣipet97 .. 63 ..

Reciting it at the western twilight, he casts off sin committed by day; / and reciting it at the eastern [twilight], he casts off all [sin] committed by night.