What does thirteen cold dew mean?

Thirteen cold dew is the thirteenth day of the ninth lunar month. Cold dew solar term is the seventeenth solar term among the twenty-four solar terms, and autumn is the fifth solar term. Cold dew is an important node in farming season and a turning point of the weather from cold to cold.

What are the four solar terms?

The four solar terms are: beginning of spring, Changxia, beginning of autumn and beginning of winter.

1, beginning of spring is the first of the 24 solar terms, also known as the Spring Festival, the First Month Festival, the New Year Festival, the New Year's Day and the New Year's Day. Standing means "start"; Spring represents warmth and growth. Twenty-four solar terms were originally formulated according to "variable stars". When the bucket handle of the Big Dipper points to the cloudy, it is beginning of spring.

2. Long summer is the seventh solar term among the twenty-four solar terms and the first solar term in summer. The festival is held on May 5-7 of the Gregorian calendar every year. At this time, the bucket handle of the Big Dipper points to the southeast, and the longitude of the sun reaches 45. Long summer is an important solar term, marking the peak season for the growth of all things.

3. beginning of autumn is the 13 solar term among the 24 solar terms, and the first solar term in autumn is from August 7th to 9th in the Gregorian calendar every year. At this time, the bucket handle of the Big Dipper points southwest, and the sun reaches longitude 135.

4. bucket handle, beginning of winter, pointing to the northwest, the longitude of the sun reaches 225, and the Gregorian calendar165438+1October 7-8 intersects every year. Beginning of winter is a seasonal solar term, which means that it has entered winter since then. Stand still, build the beginning; In winter, everything will be collected in the end. Beginning of winter means that anger begins to close and everything enters a state of recuperation. Its climate has also changed from dry autumn to rainy and cold winter.