How many days until summer?
The first day of summer in 2027 is on Monday, June 21, 2027, 264 days from today. The countdown below updates live for your time zone.
until Monday, June 21, 2027
264d 00h 00m 00s
Counting from Wednesday, September 30, 2026, in your time zone.
*Business days count Monday–Friday from tomorrow through the target date and skip U.S. federal holidays (observed dates).
Exact moment in your time zone: Mon, 21 Jun 2027 14:11:00 GMT
When is Summer 2027?
The June solstice in 2027 happens on Monday, June 21, 2027 at 10:11 AM EDT (14:11 UTC). That moment is the astronomical start of summer in the Northern Hemisphere.
The June solstice is the astronomical first day of summer in the Northern Hemisphere and the longest day of the year. Meteorological summer starts earlier, on June 1, and many Americans think of Memorial Day weekend as the unofficial start of summer. In the Southern Hemisphere the June solstice is the shortest day.
Summer dates (first day) for the next few years
| Year | Date | Day | Days from today |
|---|---|---|---|
| 2027 | June 21 | Monday | 264 |
| 2028 | June 20 | Tuesday | 629 |
| 2029 | June 20 | Wednesday | 994 |
| 2030 | June 21 | Friday | 1,360 |
| 2031 | June 21 | Saturday | 1,725 |
| 2032 | June 20 | Sunday | 2,090 |
Dates are for U.S. Eastern Time. Near midnight, other time zones can land on a different calendar day.
Frequently asked questions
When is the first day of summer 2027?
The first day of summer 2027 is Monday, June 21, 2027, the day of the June solstice.
How many days until Summer?
There are 264 days until Summer (June 21, 2027), counting from Wednesday, September 30, 2026.
What day of the week is Summer 2027?
Summer 2027 falls on a Monday.
How many weeks until Summer?
Summer is 37 weeks and 5 days away (264 days).
How many months until Summer?
Summer is 8 months and 22 days away.
How many business days until Summer?
There are 188 weekdays (Monday–Friday) between tomorrow and June 21, 2027, or 179 business days if you skip U.S. federal holidays.
How many hours until Summer?
About 6,336 hours, counting from midnight today. The live counter above shows the exact hours, minutes and seconds left for your time zone.