Count nine in a jingle, hit six or nine in spring?

On the first day of June 9th, beginning of spring was called "spring beating six or nine heads".

DaChun: DaChun, that is, beginning of spring. Sixty-nine: the first day of the sixth nine days after the winter solstice.

"Spring knocks five or nine times, and spring knocks six or nine times" is a folk proverb. This day in beginning of spring is either the last day of May 9th or the first day of June 9th.

"Winter solstice" is 1 day on September 9th, and the first day of June 9th is the 46th day after winter, including the winter solstice.

The time of winter solstice determines the time when spring begins. If the winter solstice time is before 10 that morning, it will be beginning of spring after 45 days; If the winter solstice is after 10 am, there are still 46 days from beginning of spring.

Extended data:

By observing the laws of astrology, the ancients understood the changing laws of seasons, climate and phenology in a year, and the knowledge system and social practice formed in the 24 solar terms.

In astrology, bucket handle and the Big Dipper point to Yin Shi as the beginning of spring, the first of the 24 solar terms and the beginning of silver moon.

In climatology, spring refers to the period when the average temperature is between 10℃ and 22℃. Speaking of beginning of spring, people obviously feel that the days are getting longer and the sun is getting warmer. Temperature, sunshine and rainfall are often at the turning point of the year and tend to rise or increase.

"The spring rain shocks the spring and clears the valley, and the summer is full of summer heat; Autumn dew, autumn frost, small winter snow and cold winter. " This song "solar term song", which is well known to China people, implies the order of the 24 solar terms.