Bhashya
मुक्तिरिति पूर्ववत्; आदित्यात्मभावमापन्नस्य हि नाहोरात्रे संभवतः ॥
In plain words
'Release' — the same reasoning as before. Because once someone has become one with the sun itself, day and night simply stop applying to him.
Close to the Sanskrit
'Release' — as before; for, to one who has attained the state of having the sun as his self, day and night do not occur.