also: にちげつせいしん
noun
the sun, moon, and stars; heavenly bodies
A yojijukugo (four-character compound) referring collectively to the celestial bodies, often used in poetic or literary contexts.
日月星辰の運行は古代から人々の関心を集めてきた。
The movements of the sun, moon, and stars have fascinated people since ancient times.