How Many Days Until Summer?

Counting to the June solstice, the longest day of the year north of the equator.

Holiday
First day of summer
Saturday, January 1, 2000
··
days to go

When is Summer?

Astronomical summer in the Northern Hemisphere starts at the June solstice, usually June 20–21, the longest day of the year. Meteorological summer starts June 1.

The countdown uses your device’s clock and time zone and reaches zero at 00:00 local time on the day. The day count is in calendar days: on the day before, it reads 1.

Questions people ask

Is the first day of summer the longest day?

Yes. The June solstice gives the most daylight of the year in the Northern Hemisphere.

When does meteorological summer start?

June 1, running through August 31.

Why the date wobbles

Astronomical summer in the Northern Hemisphere starts at the June solstice, usually June 20–21, the longest day of the year. Meteorological summer starts June 1.

Weekday it lands on, next 10 years.

YearDate
2026Sunday, June 21, 2026
2027Monday, June 21, 2027
2028Tuesday, June 20, 2028
2029Thursday, June 21, 2029
2030Friday, June 21, 2030
2031Saturday, June 21, 2031
2032Sunday, June 20, 2032
2033Tuesday, June 21, 2033
2034Wednesday, June 21, 2034
2035Thursday, June 21, 2035