What time is 9 pm?
9: p.m. is Hai Shi, which means 9: p.m. to 11: p.m. At this time, the night is already deep, and people have stopped their activities and rested and slept, so it is also called people's decision, that is, people are quiet and are sleeping at night.
twelve hours are named after twelve earthly branches, namely: Zishi, Ugly Time, Yinshi, Maoshi, Chenshi, Sishi, Noon, Weishi, Youshi, Xushi and Haishi.
the origin of time
twelve o'clock is an original creation of the ancients based on the natural law of the sun's appearance and appearance, the change of the sky, and their daily production activities and living habits. Each hour is equivalent to two hours today. According to legend, the ancients named each hour according to the time when animals appeared in the China Zodiac.
in the Han dynasty, it was named midnight, crow, pingdan, sunrise, eclipse, corner, day-to-day, sundial, sunset, dusk, and human decision. It is also represented by twelve earthly branches, with midnight from 23: to 1: as the child, 1: to 3: as the ugly time, and 3: to 5: as the yinshi time, and recursively.