The longest day of the year is the Summer Solstice, which normally happens on June 21 in the northern hemisphere and December 21 in the Southern Hemisphere. These dates can vary a day either way, depending on the cycle of leap years.
Check the link below to see a list of solstices and equinoxes from the US Naval Observatory's web site "Earth's Seasons".
June 21.
Longest/shortest day?? THen it is Alaska, because part of the state is inside the Arctic Circle.
The first day of summer...for 2011 the 21st /It's merely the longest day in terms of sunshine per day. In general all days are equally long because that's how we measure our timeline. However when the "longest sunny day of the year" occur is entirely depending on where you live on earth. longest sunshine would be if you lived as near the poles center as you can.
21st December, in Australia
june 21
Longest Day was created in 1998.
There hasn't been a longest day in history......
The Production Budget for The Longest Day was $10,000,000.
The first day of summer - on/about June 21 is the longest day and shortest night.
A Moment Like the Longest Day was created in 2002.
March 21 is not the longest day in any region.
the longest
June 21
Summer Solstice is the longest day around June 21st.
Yes. Longest day of the year in one hemisphere, and shortest day of the year in the other hemisphere. So our summer solstice on June 21 is the longest day in Europe or America, but the shortest day for the Australians.
the longest shadow you see in the day is 3\early in the morning and near the sunset...
Mercury has the 2nd longest "sidereal day" with a sidereal rotation period of 58.646 Earth days. The longest "sidereal day" day is Venus, with a sidereal rotation period of 243.018 Earth daysIf you use the "solar day" as your definition of "day", the order is reversed. Mercury then has the longest day and Venus has the second longest day.