How many knots there are in one breath and how many breaths there are in one breath.

"True Source" cloud: Between heaven and earth, the one near the top is Yang, and the upper and lower 42,000 miles is Yang; The one near the bottom is yin, and the one from bottom to top is yin. It has a tangible name, and it is difficult to escape. One-year-olds are four o'clock, eight days, twenty-four days, seventy-two days, three hundred and sixty days and four thousand and thirty days. Twelve days are one day, five days are first class, third class is one interest, three interests are one section, two sections are one moment, and four hours are one year old. At the age of one, the sun rises from the earth from the solstice in winter. Every 15 days, it rises by 7,000 Li, with three qi as one section, one section for 45 days, the sun rises by * * * 21,000 Li, and in the second section for a moment, the sun rises by * * * 42,000 Li. In the middle of heaven and earth, the sun is in the middle of yin, and the temperature is high.

According to our calendar in China, five days is a wait, three times is a breath, six times is an instant, and four times is one year old. Year refers to the natural year from the first day of the first month of this year to the first day of the first month of next year. The year 2008 refers to the period from one solar term this year to the same solar term next year as a tropical year. A natural year is 365 days and a tropical year.

Take spring water as an example. In March, everything was ready. The first month was Yin Jian, Meng Chun, the second month was Jian Mao, and the third month was Chen Jian, Ji Chun. Meng Chun's gas is beginning of spring, including "the east wind thaws, insects begin to vibrate, and fish freeze". The first stage of Mengchun is rain, and there are three stages of "Rex gives fish, red rocks come, and plants sprout". There are twelve atmospheric festivals (twenty-four solar terms) at four o'clock, and * * * counts as seventy-two periods.