Jun 17, 2013
According to the Spanish National Geographic Institute (IGN), the astronomical summer will begin on Friday the 21st of June, at 07:04 GMT, 09:04 local time, and will bring with it one of the longest summer seasons in recent centuries, lasting 93 days and 15 hours, until the arrival of autumn on September the 22nd. On Friday the 21st, there will be 15 hours and...