Traditional Culture Encyclopedia - The 24 Solar Terms - What does the vernal equinox mean?
What does the vernal equinox mean?
2. When the sun reaches 0 degrees of the Yellow Meridian, festivals are held on March19-22 of the Gregorian calendar every year. "The vernal equinox, Yin and Yang. So it's hot and cold day and night. " According to the lunar calendar, "it refers to the vernal equinox, which is about Sunday. The northern and southern hemispheres are equally divided day and night, which is also half of spring, so it is called the vernal equinox." From this day on, the direct position of the sun gradually moved northward, and the length of day and night in the northern and southern hemispheres also changed. The northern hemisphere has long days and short nights, but the southern hemisphere is just the opposite.
3. As soon as the spring equinox arrives, the rainfall increases obviously, and the national average ground temperature has stabilized at 10 degrees, which is the spring temperature defined by climatology. However, after the spring equinox and solar terms, the climate is mild, the rain is abundant and the sun is shining. Winter crops in most parts of China enter the spring growth stage, which is also the sowing time of early rice.
There are three stages in the vernal equinox: "Wait for the birds to arrive, wait for the thunder, and wait for the electricity to rise". Sending pictures of spring cows is also one of the customs of the vernal equinox. In addition, the vernal equinox customs such as offering sacrifices to hundreds of birds and sticking birds' mouths also carry people's expectations for farming time. [
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