2015-12-31T00:00:00 4-
2015-12-31T03:00:00 3o
2015-12-31T06:00:00 3-
2015-12-31T09:00:00 3-
2015-12-31T12:00:00 5+
2015-12-31T15:00:00 5+
2015-12-31T18:00:00 6-
2015-12-31T21:00:00 6o