[Video by cottonbro studio] The first day of summer, June 21, is known as the summer solstice. The summer solstice is the day of the year when the sun reaches its highest point in the sky in the Northern Hemisphere. It is also the day with the longest period of daylight and the shortest night. In 2023, the summer solstice falls on June 21 at 10:57 a.m. EST. The summer solstice occurs because the Earth’s axis is tilted by about 23.5 degrees relative to its orbital plane around the Sun. This means that, at different times of the year, different parts of the Earth are tilted towards or away from the Sun. During the summer solstice, the Northern Hemisphere is tilted towards the Sun, which means that the days are longer and the nights are shorter. In some cultures, the solstice is a time of celebration and renewal, or a time for religious observance. In many cultures, it is also associated with fertility and abundance. In the Northern Hemisphere, the summer solstice is often celebrate...