How Many Days Until Summer?
A live countdown to June 21, the first day of summer.
- 100% free
- No signup
- Private: stays in your browser
- Updated November 2026
About this days until summer
How long until summer? This live countdown runs to June 21, the start of summer in the Northern Hemisphere, and shows the school days left too.
Counting down to the last day of school instead? Use the custom countdown and pick your school's date.
Need something different? The full tool lets you set anything you like: countdown to a date.
Summer countdown ideas
Last-day plans
Use the school days left to plan end-of-year projects and celebrations.
Summer reading list
Add one book recommendation for each week left.
Solstice science
Why is June 21 the longest day? Track sunrise and sunset.
End of year bingo
Print end of year bingo for the final week.
Frequently asked questions
When does summer start?
This countdown uses June 21, the usual date of the June solstice in the Northern Hemisphere.
Can I count down to the last day of school?
Yes. Open the custom countdown and set your school's last day.
Can I project it?
Yes. Press F for fullscreen.