agni - the fire-god; arka - the sun; ācārya - the ācārya; go - the cows; vipra - the brāhmaṇas; guru - the spiritual master; vṛddha - elder respectable persons; surān - the demigods; śuciḥ - purified; samāhitaḥ - with fixed consciousness; upāsīta - he should worship; sandhye - in the junctions of time; dve - two; yata-vāk - observing silence; japan - silently chanting or murmuring the proper mantras.

Purified and fixed in consciousness, the brahmacārī should worship the fire-god, sun, ācārya, cows, brāhmaṇas, guru, elderly respectable persons and demigods. He should perform such worship at sunrise and sunset, without speaking but by silently chanting or murmuring the appropriate mantras.