Either 21st or 22nd of December, 2010.
The longest day of the year is June 21st.
the longest day of the year is also the first day of summer. June 21 in 2010
Date = October 3, 2010 Day of Week = Sunday
21st of june
The longest time recorded is 2010, the date today, in 2011 it will be recorded 2011, and it goes on.
December 22nd, 2010
The longest period of daylight happens at the summer solstice. The shortest day occurs at the winter solstice.
21 or 22 December is the longest day, or summer solstice, and 21 or 22 June is the shortest day (winter solstice).
the 21st of june