Garudapurana 1.83.12

1.83.12

sandhyāṃ kṛtvā prayatnena sarvavedaphalaṃ labhet /
sāvitrīṃ caiva madhyāhne dṛṣṭvā yajñaphalaṃ labhet //

having performed the twilight devotion with care, obtains the fruit of all the Vedas; / and having seen Sāvitrī at midday, obtains the fruit of sacrifices;