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The astronomical summer as mandated by the International Astronomical Union begins June 21 in the Northern Hemisphere and December 22 in the Southern Hemisphere. These dates are only "official" for the IAU.
The climatological summer as mandated by the World Meteorological Organization begins June 1 in the Northern Hemisphere and December 1 in the Southern Hemisphere. These dates are only "official" for the WMO.
Canada and the USA customarily observe the astronomical summer while Australia and New Zealand follow its climatological counterpart. Preference for the two methods of reckoning vary among other western countries. Many Asian countries use lunar dates to reckon the first day of summer.
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When will the first day of summer 2011 be?
June 21st, 2011... first day of summer. June 20th, 2012... first day of summer. June 21st, 2013... first day of summer. June 20th, 2014... first day of summer. June 21st, 2015... first day of summer.
What day is the first day of summer for 2011?
The summer solstice in 2011 will occur on June 21, 2011.
What is the first day of summer 2011 US?
The first day of summer is June 21st
When is the first day of summer in the UK for 2011?
Tuesday, June 21, 2011.
When is the first day of summer 2011 in England?
1st June
When is the first day of summer in the northern hemisphere for 2011?
Tuesday, June 21, 2011
How many more days left in the summer of 2012?
There are exactly 19 more days
What is the first day of summer and of winter called?
The summer solstice happens. The summer solstice is also the winter solstice in the opposite hemisphere. On the summer solstice (on the northern hemisphere), the northern hemisphere is tilted most to the sun, giving 24 hours of light to the Arctic Circle and 24 hours of darkness to Antarctica on the day of it.
What day is the last day of summer 2011?
September 22
When is the first day of UK summer?
the first day of summer is on the 1st of June 2010
What day does summer start in 2011?
Tuesday 21st June 2011
What is the first of summer called?
The first day of summer is called the summer solstice.
