In the Northern Hemisphere the vernal equinox, spring, is on March 20. During the vernal equinox, the sun moves across the celestial equator going north. With the tilt of the earth's axis and the position of the sun the hours of daylight and night are almost equal. The sun moves to the North. On June 22, the summer solstice, is the longest day of the year. Due to the position of the Northern Hemisphere and the tilt of the earth on its axis, the sun's rays are almost directly overhead and concentrated. During the summer,
In the Northern Hemisphere the vernal equinox, spring, is on March 20. During the vernal equinox, the sun moves across the celestial equator going north. With the tilt of the earth's axis and the position of the sun the hours of daylight and night are almost equal. The sun moves to the North. On June 22, the summer solstice, is the longest day of the year. Due to the position of the Northern Hemisphere and the tilt of the earth on its axis, the sun's rays are almost directly overhead and concentrated. During the summer,