What is the longest day of the year 2010?

Answer:

The Summer Solstice is the longest day of the year and occurs in 2010 on June 21 in the Northern Hemisphere; and on December 21 in the Southern Hemisphere.

There are 2 solstices: summer in the Northern Hemisphere; and summer in the Southern Hemisphere. Remember that the Summer Solstice in one of the hemispheres equates to the Winter Solstice in the other hemisphere. The Winter Solstice is the shortest day of the year.


According to "Earth's Seasons" of the United States Naval Observatory (USNO), here are the dates of the solstices in 2010:

• June 21, 2010 at 11.28 GMT (Summer in the Northern Hemisphere, winter in the south)
  
  
• Dec. 21, 2010 at 23.38 GMT (Summer in the Southern Hemisphere, winter in the north)

(See Related link to the USNO website.)

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