Verse 23

श्रीवाल्मीकिरुवाच ।इत्युक्तवत्यथ मुनौ दिवसो जगामसायंतनाय विधयेऽस्तमिनो जगाम ।स्नातुं सभा कृतनमस्करणा जगामश्यामाक्षये रविकरैश्च सहाजगाम

In plain words

Śrī Vālmīki said: When the muni had spoken thus, the day went; for the evening rite the sun went to its setting; the assembly, having made its salutations, went to bathe; and at the waning of night it came again, together with the rays of the sun.