How many times does Qingdao have direct sunlight?

There is no direct sunlight in Qingdao. Where there is direct sunlight, it must be within 23 degrees and 26 minutes of north-south latitude, that is, within the Tropic of Cancer. Outside the latitude of the Tropic of Cancer, there will be no direct sunlight. The latitude of Qingdao is 35 degrees 35 minutes or 37 degrees 09 minutes north latitude, which is much greater than the latitude of the Tropic of Cancer, so there can be no direct sunlight.

Direct sunlight is based on the four seasons of the earth, and different phenomena and influences will appear on the earth due to the movement of the sun's rotation. So we usually say that direct sunlight is the main reason for seasonal changes. On the day of the vernal equinox, the sun shines directly at the equator of the earth, which is the vernal equinox in the northern hemisphere and the autumn equinox in the southern hemisphere. In March, direct sunlight began to move northward at the equator in the northern hemisphere, in June it was on the tropic of cancer in the northern hemisphere, in September it began to move southward at the equator, and in June 5438+February it was on the tropic of cancer in the southern hemisphere.