2011-02-01T00:00:00 3o 2011-02-01T03:00:00 3o 2011-02-01T06:00:00 4o 2011-02-01T09:00:00 3o 2011-02-01T12:00:00 3o 2011-02-01T15:00:00 4o 2011-02-01T18:00:00 4o 2011-02-01T21:00:00 4o