1. Chenshi is 9:00-7:00

Chenshi is one of the twelve hours. It is also known as the meal time. In the past, it was used to refer to 9:00 in the morning: 00-7:00 this time period. The ancients divided a day into twelve parts, one part of two hours, named after the twelve earthly branches. This is our country's traditional way of keeping time.

2. Introduction to the twelve hours

The twelve hours are 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. , which is named after the twelve earthly branches. In the Han Dynasty, people also called these hours with words such as midnight, flat day, sunrise, and day.

3. Introduction to the Heavenly Stems and Earthly Branches

The Heavenly Stems and Earthly Branches originate from people’s observation of celestial phenomena in ancient times. They are often used to represent years and times, in arithmetic, naming, calculations, etc. The field of use is also very extensive. Heavenly stems and earthly branches can be divided into ten heavenly stems and twelve earthly branches, which can be matched in a fixed order to create sixty different combinations.