- 日月潭 Rìyuè Tán Sun Moon LakeSun Moon Lake in Nantou County, Taiwan
- 日月如梭 rìyuèrúsuō time fliesthe sun and moon move like a shuttle; time passes quickly
- 日月食 rìyuèshí eclipsesolar and lunar eclipses
- 日月重光 rìyuèchóngguāng renewed lightthe sun and moon shine once more, signifying a return to brightness
- 日月蹉跎 rìyuècuōtuó time slipping awaythe years have slipped by
- 日月晕 rìyuèyùn haloA ring of light that forms around the sun or moon due to the refraction or reflection of light by ice crystals in the atmosphere.
- 日月五星 rìyuèwǔxīng celestial bodiessun, moon and the five visible planets