About First Day of Summer
The first day of summer — the summer solstice — is the longest day of the year in the Northern Hemisphere, when the Sun reaches its highest point in the sky. The solstice marks midsummer and has been celebrated in cultures worldwide for thousands of years, most famously at Stonehenge in Wiltshire.
The next First Day of Summer is on 21 June 2026 — a Sunday — which is 95 days, approximately 14 weeks or 3.1 months away.
Frequently Asked Questions
How many days until the next First Day of Summer?
There are 95 days until the next First Day of Summer on 21 June 2026.
When is the next First Day of Summer?
The next First Day of Summer is on 21 June 2026, a Sunday.
How many weeks until First Day of Summer?
There are approximately 14 weeks until First Day of Summer.
How many hours until First Day of Summer?
There are approximately 2,280 hours until First Day of Summer.
What day of the week is First Day of Summer?
The next First Day of Summer falls on a Sunday, 21 June 2026.
When is the first day of spring/summer/autumn/winter 2026?
The First Day of Summer is on 21 June 2026.
What is the difference between meteorological and astronomical seasons?
Meteorological seasons start on the 1st of March, June, September and December. Astronomical seasons are determined by the solstices and equinoxes.