Read the earth's revolution map and complete the following blanks. (1) Write the names of the four solar terms and the specific dates A _ _ _ _ _ name) 65438+February 22nd or 23rd C on the map.

(1) 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 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 B, 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 c, the sun is directly on the tropic of cancer, which is the summer solstice in the northern hemisphere, and the date is around June 22; When the earth is in position D, the latitude of direct sunlight is the equator, which is the autumn equinox in the northern hemisphere, and the date is around September 23rd.

(2) When the earth revolves to position B, the latitude of direct sunlight is the equator. At this time, the global day and night are equal in length.

Therefore, the answer is: (1) winter solstice; Around June 22; Vernal equinox; Around September 23; (2) Equal division of day and night; equator