Verse 6.4.3.10

athainamita ūrdhvam prāñcam pragṛhṇāti | asau vā āditya eṣo'gniramuṃ tadādityamita ūrdhvam prāñcaṃ dadhāti tasmādasāvāditya ita ūrdhvaḥ prāṅ dhīyata ūrdhva ū ṣu ṇa ūtaye tiṣṭhā devo na saviteti yathaiva yajustathā bandhurūrdhvo vājasya sanitetyūrdhvo vā eṣa tiṣṭhanvājamannaṃ sanoti yadañjibhirvāghadbhirvihvayāmaha iti raśmayo vā etasyāñjayo vāghatastānetadāha parobāhu pragṛhṇāti parobāhu hyeṣa ito'thainamupāvaharati tamupāvahṛtyoparinābhi dhārayati tasyopari bandhuḥ

Preview of English translation:

10. He then lifts it upwards from there towards the east; for this Agni is yonder sun: he thus places yonder sun upwards from here in the east, and hence yonder sun is placed upwards from here in the east. [He does so, with, Vajasaneyi Samhita XI, 42; Rik S. I, 36, 13] “Upright for our protection, stand thou like the god Savitri!”—as the text, so its meaning;—“upright, as a bestower 2 of strength,”—for standing upright he (the sun) indeed bestows strength, food;—“when we utter our call with the shining offerers”—the shining offerers, doubtless, are his (the sun's) rays: it is these he means. He lifts it up beyond the reach of his arms, for beyond the reach of his arms is that (sun) from here. He then lowers it; and having lowered it, he holds it above the navel: the meaning of this (will be explained) hereafter.

For a detailled translation, including proper diacritics and footnotes, go the full English translation.