Sunday, June 21, 2026
Live countdown to the first day of summer 2026 (June solstice). See exactly how many days until summer begins.
The first day of summer marks the June solstice, the longest day of the year in the Northern Hemisphere, when the sun reaches its highest point in the sky. It signals warmer temperatures, extended daylight hours, and the start of summer break for students across the country. Share this countdown and welcome the sunniest season.
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