The annual winter solstice and summer solstice are the alternate points of the length of day and night in a year. There is a saying: "The summer solstice is born in the shade, which means that the days are shorter, and the winter solstice is born in the sun, which means that the sundial is long." This is the key position of divination.
There are twelve hexagrams in twelve months of the year, and the order of the twelve hexagrams changes from yin to yang to indicate the length of day and night of solar terms. The so-called congenital divination is qi, the yang is exhausted in the noon, the yin is exhausted in the child, the anode is yin, and the cathode is yang.
Built in October, the sea is Kun, and all six Kun are cloudy. From the first frost to the light snow, because the shorter the day, the longer the night.
1 1 month, Jianzi divination is a mine recovery, and the sun shines under six shades, that is, from light snow to winter solstice, the day is the shortest and the night is the longest.
When ugly was built in December, its divination was near, and the second sun was born, that is, from the winter solstice to the cold, the days were long and the nights were short.
In the first month, the yin is built, and the divination is that the earth is the sky, and the day makes a living, which means that the day is getting longer and the night is getting shorter.
When the foundation was laid in February, the divination was that the thunder was loud and the sky was strong, and then four suns were born. From rain to vernal equinox, it gradually became an average day and night.
Chen was born in March, and the divination was Zetian, and he gave birth to his grandson on the fifth. From vernal equinox to rain, the days are long and the nights are short.
Completed in April, divination is a dry day, and six yang are sufficient. From rain to fullness, the longer the day, the shorter it will be.
At noon in May, the divination is wind, and it is cloudy at the end of noon. From Xiao Man to the summer solstice, the day is the longest and the night is the shortest.
Before the capital was established in June, the divination was Tianshan Mountain, which was born in the shade. From the summer solstice to the great heat, the days were short and the nights were long.
When Shen was founded in July, if he divined heaven and earth, it would be cloudy with short days and long nights.
The divination in August is a view of terroir, and then it is born in four shades. From the summer solstice to the autumn equinox, it gradually becomes an average day and night.
When it was built in September, the divination was a mountain peeling, and the five shades were born. From the autumn equinox, the days were short and the nights were long.
In modern astronomy,
Winter solstice: Gregorian calendar1February 22 or 23, that is, the day when the sun passes through the winter solstice, is the shortest day and the longest night in the northern hemisphere, but the situation in the southern hemisphere is just the opposite.
Vernal equinox: On March 2 1 day or 22/year in Gregorian calendar, that is, on the day when the sun passes through the vernal equinox, the sun shines directly at the equator, and the northern and southern hemispheres are equally divided day and night.
Summer solstice: June 2 1 day or 22nd of Gregorian calendar, that is, the day when the sun passes through the summer solstice, is the longest day and the shortest night in the northern hemisphere, while the situation in the southern hemisphere is just the opposite.
Autumnal Equinox: September 23rd to 24th in Gregorian calendar, that is, the day when the sun passes through the autumnal equinox. The sun shines directly on the equator, and the northern and southern hemispheres are divided equally day and night.
This kind of divination is a must-read for monks, because it is not only a seasonal change, but also a law that must be followed to guide cultivation. )
In the calculation of six hexagrams, we can clearly know the luck in the lunar calendar and accurately grasp the prosperity of the divinatory palace and divinatory symbols. The divination analyzed is a little more flexible. And the tone of the hexagrams can also be accurately judged.