Seasonal variation law of solar height and time

1. Variation with latitude

(1) Summer solstice: decreasing from the tropic of cancer to the north.

(2) East of the sun: decreasing from the tropic of Capricorn to the north and south sides.

(3) Vernal equinox: decreasing from the equator to the north.

With the change of seasons

(1) The Tropic of Cancer and its northern area: the height of the solar solstice is the highest in summer and the lowest in winter.

(2) Tropic of Capricorn and its south area: the sun height is the highest in winter and the lowest in summer.

(3) The area between the Tropic of Cancer: When the sun shines directly, the height of the sun is 90, and the sun shines directly twice a year.