The summer solstice started and the longest day of the year.
Today marks the summer solstice in the Northern Hemisphere. On that day, the sun is directly over the Tropic of Cancer, located at 23.5 degrees north and the Earth’s north pole is tilted furthest towards the sun.
The date of the summer solstice varies from year-to-year, landing between June 20-22. This year, it falls on June 21, officially arriving at 15:54 UTC across the globe (that’s 10:54 CT).