Traditional Culture Encyclopedia - Weather forecast - Weather forecast time at Qilu station
Weather forecast time at Qilu station
As can be seen from the schematic diagram of the earth's revolution, when the earth is in position A, the latitude of direct sunlight is the equator, which is the autumn equinox in the northern hemisphere, and the date is around September 23; When the earth is in position B, the latitude of direct sunlight is tropic of Capricorn, which is the winter solstice in the northern hemisphere, and the date is about 65438+February 22; When the earth is in position C, the latitude of direct sunlight is the equator, which is the vernal equinox in the northern hemisphere, and the date is around March 2 1; When the earth is in position D, the sun shines directly on the Tropic of Cancer, which is the solstice of summer in the northern hemisphere, and the date is around June 22nd.
According to the weather forecast of a certain day in Jinan, it is winter in Jinan (northern hemisphere), the earth's running position is close to point B, and the direct point of the sun is near the tropic of Capricorn. So the length of day and night in the northern hemisphere is: the day is short and the night is long.
Therefore, choose: B.
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