Never miss an important date
How Many Days Until First Day of Summer 2027?
461 days left.
First Day of Summer is on Monday, June 21, 2027.
Get the free iPhone app with countdown widgets, reminder alerts, and easy sharing so you can plan ahead for any event.
461
days
First Day of Summer
Outside
Free iPhone app with home screen widgets. Used by 300k+ people.
Looking for First Day of Summer 2026?
Track First Day of Summer from your home screen
Home Screen Widgets
Beautiful countdown widgets that sit right on your home screen.
Lock Screen Widgets
See your countdown without even unlocking your phone.
Live Activities
Real-time countdown updates on your Dynamic Island.
Frequently Asked Questions
How many days until First Day of Summer?
There are 461 days until First Day of Summer 2027 on Monday, June 21, 2027. That's 65 weeks or roughly 16 months from today.
When is First Day of Summer 2027?
First Day of Summer 2027 falls on Monday, June 21, 2027. You can add it to your calendar or set up a free countdown widget on your iPhone home screen with the Outside app.
How long until First Day of Summer?
First Day of Summer 2027 is 65 weeks and 6 days away — roughly 16 months from now. Set a reminder so you don't forget.
Is there a free First Day of Summer countdown app?
Yes! Outside is a free iPhone app with a First Day of Summer countdown widget for your home screen. It includes reminders, calendar sync, and sharing with friends. Used by 300k+ people.



