How Many Days Until Summer
Astronomical summer in the northern hemisphere begins at the June solstice, around 21 June — the longest day of the year.
- Date: Monday, 21 June 2027
- Counted in your local time zone — the clock above uses the time on your device.
- Next time after that: 21 June 2028
- In the southern hemisphere this season starts on 21 December 2026 — the dates are half a year apart.
When the counter reaches zero the page says «Happy Summer!» and, the next day, starts counting to 21 June 2028.