Traditional Culture Encyclopedia - The 24 Solar Terms - Since when is it dark, just before dawn and very late?
Since when is it dark, just before dawn and very late?
It depends on the direct position of the sun. I will start studying in the first year of high school. When the sun shines directly in the northern hemisphere, that is, in summer, China is in the northern hemisphere, so the dawn time is shorter than 12. When the sun shines directly in the southern hemisphere, that is, in winter, the day length in China is less than 12 hour. When the sun shines directly on the equator, the length of day and night in the northern hemisphere and the southern hemisphere is the same. Equinox and autumnal equinox are two solar terms. At this time, the sun is directly at the equator. On a flat plain, the sun is on the horizon and below the horizon, which is 12 hour. After this solar term, the time between day and night is not equal.
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