Today - the summer solstice.

2011                        2011
                   d  h  m           d  h  m
 Equinoxes  Mar   20 23 21    Sept  23 09 05
 Solstices  June  21 17 16    Dec   22 05 30

Not sure how to acknowledge it even. I thought it was the whole day - but apparently not - the time (GMT) given here from:-
http://www.usno.navy.mil/USNO/astronomical-applications/data-services/earth-seasons

Needless to say the sun itself is not in sight.