Never miss an important date
When is First Day of Summer 2027?
Monday, June 21, 2027
There are 421 days left until First Day of Summer 2027.
Get the free iPhone app with countdown widgets, reminder alerts, and easy sharing so you can plan ahead for any event.
421
days
First Day of Summer
Outside
Free iPhone app with home screen widgets. Used by 300k+ people.
Date details for First Day of Summer 2027
- Day of week: Monday
- Full date: Monday, June 21, 2027
- Days remaining: 421
- Weeks remaining: 60
First Day of Summer 2027 is on Monday, June 21, 2027. That’s 421 days or 60 weeks from today. Track it with a free countdown widget on your iPhone.
Looking for First Day of Summer 2026?
More ways to track First Day of Summer
Turn this date into a shared plan, a home screen habit, or a deeper browse session through related countdown pages.
Share First Day of Summer with friends
Give everyone the same countdown, reminders, and widgets so the date stays visible for the whole group.
Open page →Put First Day of Summer on your lock screen
Keep the countdown one glance away with a lock screen widget that updates automatically every day.
Open page →Browse Seasonal Countdowns
Open a hub of related countdown pages so you can keep exploring the strongest cluster around this event.
Open page →About First Day of Summer
Find out when First Day of Summer 2027 is. Count down the days and set a reminder.
History & Significance
Mark your calendar for First Day of Summer 2027. Use a countdown and reminders to stay on track.
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.
