How Many Days Until Summer? (Jun 21, 2027)

How many days until summer?

Counting down to the first day of astronomical summer in the northern hemisphere, around 21 June. Change the date to count to school holidays or your own trip.

Days until summer

Days to go

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Dates for the coming years

Same date every year, so only the day of the week changes.

Year	Date	Day of the week
2027	June 21	Monday
2028	June 21	Wednesday
2029	June 21	Thursday
2030	June 21	Friday
2031	June 21	Saturday
2032	June 21	Monday

How is it calculated?

Astronomical summer starts at the June solstice, on 20 or 21 June in the northern hemisphere — the longest day of the year. Meteorologists count summer from 1 June. In the southern hemisphere summer starts in December.

Common questions

Is the first day of summer 1 June or 21 June?

Both are used: 1 June is meteorological summer, 21 June (the solstice) is astronomical summer.

When does summer start in Australia?

In the southern hemisphere summer begins on 1 December (meteorological) or around 21 December (solstice).