Traditional Culture Encyclopedia - The 24 Solar Terms - What's so special about the vernal equinox solar terms? What is the earth phenomenon on the day of vernal equinox?
What's so special about the vernal equinox solar terms? What is the earth phenomenon on the day of vernal equinox?
1, no, the vernal equinox and autumnal equinox are equal day and night, there is no extreme day and night, and the global day and night is 12 hour.
2. Antarctic Polar Day
Time: 65438+February 22nd (winter solstice) is a complete polar day, but it basically starts from September 23rd (autumnal equinox) and ends on March 2nd1day (vernal equinox) of the following year.
Occurrence area: 66° 34 °- 90° s
In the Antarctic polar day, the sun shines directly on the tropic of Capricorn at 23 26' s.
Extreme night is the opposite.
An extreme day in the Arctic
Time: June 22nd (summer solstice) is a complete polar day, basically starting from March 2nd1(vernal equinox) and ending around September 23rd (autumnal equinox).
Occurrence area: 66 34 ′-90 N.
During the polar day in the Arctic, the sun shines directly on the Tropic of Cancer at 23 26' north latitude.
Extreme night is the opposite.
3. When the direct point of the sun is located on the meridian, it is 12, and all points on this meridian are 12. Yes
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