How many days until summer?
259days
The first day of summer is Monday, June 21, 2027.
259days
0hours
0minutes
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Counting down to midnight at the start of the day, in your time zone.
JUNE2027
21MondayThe first day of summer
US06/21/2027UK21/06/2027ISO2027-06-21
Days left259
Weeks37 weeks
Months and days8 months, 16 days
Business days185
Summer dates for the next five years
| Year | Date | Weekday | Days away |
|---|---|---|---|
| 2027 | June 21, 2027 | Monday | 259 |
| 2028 | June 20, 2028 | Tuesday | 624 |
| 2029 | June 20, 2029 | Wednesday | 989 |
| 2030 | June 21, 2030 | Friday | 1,355 |
| 2031 | June 21, 2031 | Saturday | 1,720 |
When is Summer?
Astronomical summer begins at the June solstice, the longest day of the year in the Northern Hemisphere. It falls on June 20, 21 or 22, depending on the year and your time zone.
Meteorologists use June 1 instead, so weather records count June, July and August as summer.
Dates on this page follow US Eastern Time, from U.S. Naval Observatory tables.
Questions
How many days until Summer?
There are 259 days until the first day of summer on Monday, June 21, 2027.
How many business days until Summer?
185 business days, counting Monday to Friday and starting tomorrow.
Other countdowns
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