What time is after nine in the morning?

According to the Gregorian calendar, 9: 00 am is in Shi Si, and according to the current 24-hour system, it is now 9: 00 am in Shi Si 1 1. In ancient times, it was also called horn, which represented the time near noon.

As the first prime time for work and study, Shi Si is the most efficient time for office workers to study and work. Because this period is the most active period of the brain, the solution of important problems can be completed during this period.

1 .12 o'clock is the time created by working people in ancient China according to the natural laws of sunrise and sunset in a day, the change of the sky and their daily production activities and living habits.

Corresponding to the modern 24 hours, the specific time is divided into: sub-hour 23~ 1, clown hour 1~3, cloudy hour 3~5, hairy hour 5~7, Chen hour 7~9, elapsed time 9 ~1,clown hour 6544. Application time 15~ 17, clown 17~ 19, clown 19~2 1, clown-2 1~23. ?

Secondly, in ancient China, besides time, there was a hundred-engraving system, mainly because time could only be tried in sunny days, and it could not be used at night or on cloudy days.

In the long river of historical development, the engraving system has been developing continuously. By the early years of the Qing Dynasty, the official regulations were 96 minutes per day, 8 minutes per hour and 15 minutes per hour. At this point, it will last for thousands of years. For a while? The clock finally changed from 14 minutes and 24 seconds to 15 minutes today.

Third, overtime system In addition to the above two commonly used timing methods, there is also a timing method called overtime system, which is what everyone often says. There are five classes in one night, each class is 2 hours.

The corresponding 24-hour time is: table 1 19: 00 -2 1: 00, table 2 1: 00 -23: 00, table 3: 00-1: 00 and table 4/kloc.