The summer solstice in 2025 will occur on Friday, June 20, at 10:42 p.m. Eastern Time (ET). This date marks the longest day of the year in the Northern Hemisphere, with the sun reaching its highest point in the sky over the Tropic of Cancer. For some regions like India, the solstice happens on the morning of June 21 due to time zone differences, but the exact moment worldwide is the same. The solstice signifies the official start of summer in the Northern Hemisphere.
