Summer Solstice 2011 Date in the USA?

When is the Summer Solstice 2011? I'm asking about the longest day of the year, when summer officially starts.
I know it's somewhere around June 20 but I'd like to know the exact date in the USA.
During the summer solstice, the Northern Hemisphere witnesses its longest day of the year while the Southern Hemisphere sees its shortest day.
Also, at what time will the summer solstice take place?

asked by Sarah in Astronomy & Space | 4116 views | 06-20-2011 at 07:39 PM

The summer solstice can vary by a few hours or even days each year. In 2011 the summer solstice occurs on June 21 at 17 hours 16 minutes.
The Summer Solstice, or “Midsummer,” occurs exactly when the Earth’s axial tilt is most inclined towards the sun.
The word Solstice is derived from two Latin words, sol meaning sun and sistere to cause to stand still.
In the Northern Hemisphere, the winter solstice is in late December and the summer solstice is always in late June.

answered by Annette | 06-20-2011 at 07:40 PM

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