Live countdown
How many days until Summer 2026?
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Counting down to Sunday, June 21, 2026.
In the Northern Hemisphere, astronomical summer begins on June 21, 2026 — the summer solstice and the longest day of the year. Plan your holidays, weddings, or that long-awaited road trip.
Fast facts
- The summer solstice marks the longest day of the year in the Northern Hemisphere.
- At the Arctic Circle, the sun does not set on the solstice.
- Meteorological summer differs from astronomical summer — it runs June 1 to August 31.
- In the Southern Hemisphere, June 21 is the winter solstice.