The 2025 summer solstice takes place on June 20, heralding the onset of astronomical summer and the longest day of the year.

The summer solstice, the longest day of the year in the Northern Hemisphere, falls on June 20 this year in North America, and June 21 in Europe.

During the Northern Hemisphere’s summer solstice, the upper half of the earth is tilted toward the sun, creating the longest day and shortest night of the year. This solstice falls between June 20 and 22.