5-7 am (also known as "Shi Mao"). At this time, the sun has not yet appeared, and the glory of the moon has not completely retired. Jade rabbit is the representative of the moon and the only animal in the myth of the Moon Palace, so when it has hair, it is matched with rabbits. Hair, when the sun refers to hair, it refers to 5-7 o'clock in the morning. When the sun just appears, it is also called dawn and rising sun. It means the beginning of an energetic day.

Shi Mao is on duty for the large intestine. It's 5: 00 to 7: 00 in the morning. 12 hour health preservation has a key point, that is, drink a glass of empty stomach water after getting up in Mao hours. People with constipation can help you reduce constipation by doing so.

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Ten-hour system

Appeared in the pre-Qin period. Five minutes during the day and five minutes at night. According to annals, a day is morning, evening, noon and noon. Night is a, b, c, d and e (later represented by five tables). In other words, it is more important-in ancient times, it was regarded as night watch, sea watch, childhood watch, childhood watch, ugly watch and Yin Shi watch. There are five classes at night, and drums are played according to the class, with five points for each class.

One hour per shift is equivalent to two hours now, which is 120 minutes, so each point in each shift only takes 24 minutes. It can be seen that "cooking at four o'clock and sailing at five o'clock" is equivalent to "65438+ cooking at 0: 00 to 3: 00 in the middle of the night and sailing at 3: 00 to 5: 00".

"5: 00 and 3: 00" are equivalent to 3: 00 and 72 minutes in the morning, which means 4: 00 and 1 1: 00 and 96 minutes in the evening, which means 0: 36.

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