The twelve hours are named after the twelve earthly branches, namely: Zi hour, Chou hour, Yin hour, Mao hour, Chen hour, Si hour, Wu hour, Wei hour, Shen hour, You hour, Xu hour and Hai hour.
Each hour is equivalent to two modern hours. The ancients named each hour according to the time when the animals in the Chinese zodiac appeared. Zi hour 23-1 o'clock, Chou hour 1-3 o'clock, Yin hour 3-5 o'clock, Mao hour 5-7 o'clock, Chen hour 7-9 o'clock, Si hour 9-11 o'clock, Noon hour 11-13 o'clock, Noon hour 13-15 o'clock, Shen time is from 15 to 17 o'clock, You time is from 17 to 19 o'clock, Xu time is from 19 to 21 o'clock, and Hai time is from 21 to 23 o'clock.
Alternative names for hours
1. Midnight: Midnight, midnight, mid-night, twilight, and midnight.
2. Rooster crow: wild chicken.
3. Pingdan: Pingming, Danming, Dawn, Early Dan, Ridan, Modan, morning, early night, early morning, Danri, Danshi.
4. Sunrise: sunrise, sunrise, sunrise, sunrise, rising sun, dawn.
5. Eating time: early meal, feast meal, flea meal.
6. Yuzhong: Riyu, Yuzhong, Riyu.
7. Sun noon: sunzheng, sunnoon, sungao, noon, tingwu, sundangno.
8. Sun 昳: Sun 昃, sun slant, sun side, sun fall, sun slant.
9. Afternoon time: Hao Shi, Ri Hao, Riji, and Xishi.
10. Sunset: Sunset, Sunset, Sunset, Sunset, Sunset, Sunrise, Sunset, Sunset, Evening.
11. Dusk: sunset, end of the day, dusk, dusk, dusk, sunset, dusk, dusk.
12. Ren Ding: Dingtwilight, early night.