One occasion that often draws a large crowd to Stonehenge is the summer solstice, specifically around June 20th or 21st each year. The summer solstice is the longest day of the year in the Northern Hemisphere and has been a significant astronomical event for thousands of years. Many people gather at Stonehenge to witness the sunrise aligned with the stone monument's ancient structure, which is believed to have had religious and ceremonial significance to the ancient builders. The site has become associated with solstice celebrations and spiritual gatherings, attracting visitors from around the world.