How many hours are there in a day? What is the time?

In ancient times, a day and night was divided into twelve hours, namely: Zi, Ugly, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Xu and Hai. Every hour is equivalent to two hours in modern times. At 23 ~ 1 o'clock, at 1 ~ 3 o'clock, at 3 ~ 5 o'clock, at 5 ~ 7 o'clock, at 7 ~ 9 o'clock, at 9 ~1o'clock, at noon, at1

Time-Twelve hours of a day in the zodiac: the first half of the night is from 1 1, the second half is from 1 to 3, the second half is from 3 to 5, the second half is from 5 to 7, and the second half is from 8 to 7. 1 1 the afternoon is noon, 1 the afternoon is inappropriate, it is silent from 7 pm to 9 pm, and it is Shihai from 9 pm to 1 1 the afternoon. It takes two hours every hour.