Summer officially ends at different times for different people. Summer officially ends for school kids when they start the next school year.
The official end of summer in the United States is on the autumnal equinox on September 21st. Most people in the US observe the end of summer on Labor Day weekend at the beginning of September because this is when most children go back to school.
Officially, the first day of Summer in New Zealand is the 1st of December.
Summer begins at 1:16 pm on June 21st 2011.
Summer typically lasts from June to September. Summer officially begins on the Summer Solstice, which differs each year although the recognized date is June 21st. Summer officially ends on the September Equinox (also the kickoff for Fall), which also differs each year although the recognized date is September 22nd.
The summer season begins on June 21st every year, except in the case of a leap year, where summer begins on the 20th of June.
In 2011, Summer ends on Friday, September 23.
the summer solstice begins on June 21 for 2010.
Summer start when winter end and summer end when winter start.
During 2015 summer officially started on June 21. During 2016 summer officially started on June 20. In 2017 summer will officially start again on June 20.
The official end of summer in the United States is on the autumnal equinox on September 21st. Most people in the US observe the end of summer on Labor Day weekend at the beginning of September because this is when most children go back to school.
Summer, and all seasons, officially start and end at the International Date Line. A hugely convoluted line in the Pacific ocean.
Summer officially begins in Australia on 1 December.
End of Spring, beginning of Summer. Summer officially begins on the Summer Solstice, which is generally June 21. (That can vary a day either way, depending on the cycle of leap years.)
In Indiana, summer officially starts in June. The summer solstice, which marks the longest day of the year, typically occurs around June 21. However, meteorologically, summer is often considered to begin on June 1 and end on August 31.
Officially, the first day of Summer in New Zealand is the 1st of December.
There is no official start and end time. The weather generally starts getting hotter from May and peaks in July/ August and then gets progressively cooler until October.
Australia's summer is officially from 1 December to 28/29 February.