Fri Nov 27 10:00:01 EST 2009 974 12506
Fri Nov 27 11:00:01 EST 2009 988 12655
Fri Nov 27 12:00:01 EST 2009 1005 12886
Fri Nov 27 1
It appears to be fixed column width. You're going to need to either:
Explode will likely return a bunch of empty elements, since it only matches a single character / one space.