How many sleeps until Summer?
264 sleeps until Summer!
Monday, June 21, 2027
Tonight is sleep number one.
Counted from today, Wednesday, September 30, 2026, in your time zone. The target day itself is included; today is not. Dates follow the official rule — see our sources.
Every way to count to Summer 2027
- Days
- 264 days
- Weeks
- 37 weeks and 5 days
- Months
- 8 months, 22 days
- Weekends
- 38 weekends
- Business days
- 188 days
- 179 without US federal holidays
- Sleeps
- 264 sleeps
- Fortnights
- 18 fortnights, 12 days
- Hours
- 6,336
Sleeps chart for Summer
Tonight is sleep number 264. Cross one off each morning — the last box is the night before Monday, June 21, 2027. The chart shows the final 31 sleeps. 4 sleeps are left this week, counting tonight.
- 31May 21
- 30May 22
- 29May 23
- 28May 24
- 27May 25
- 26May 26
- 25May 27
- 24May 28
- 23May 29
- 22May 30
- 21May 31
- 20Jun 1
- 19Jun 2
- 18Jun 3
- 17Jun 4
- 16Jun 5
- 15Jun 6
- 14Jun 7
- 13Jun 8
- 12Jun 9
- 11Jun 10
- 10Jun 11
- 9Jun 12
- 8Jun 13
- 7Jun 14
- 6Jun 15
- 5Jun 16
- 4Jun 17
- 3Jun 18
- 2Jun 19
- 1Jun 20
About Summer
Summer begins at the June solstice, the longest day of the year in the Northern Hemisphere. In US time zones it falls on June 20 or 21.
Summer begins on the June solstice (June 20 or 21).
How we check dates and facts: see our sources.
After 2027, Summer falls on June 20, 2028, June 20, 2029, June 21, 2030. See every year.
Count down to Summer in
- Days until
- Weeks until
- Months until
- Weekends until
- Sleeps until
Related countdowns
Frequently asked questions
When is Summer 2027?
Summer 2027 is on Monday, June 21, 2027. Summer begins on the June solstice (June 20 or 21).
When is Summer 2028?
Summer 2028 falls on Tuesday, June 20, 2028.
How many days until Summer?
264 days, counting from today to June 21, 2027.
How are sleeps counted?
One sleep per night between now and the big day, tonight is sleep number one.
Why does Summer change date every year?
Summer begins on the June solstice (June 20 or 21).