2011-06-30T00:00:00 2o 2011-06-30T03:00:00 3o 2011-06-30T06:00:00 3o 2011-06-30T09:00:00 3o 2011-06-30T12:00:00 2o 2011-06-30T15:00:00 2o 2011-06-30T18:00:00 3o 2011-06-30T21:00:00 4o