2017-10←  2017-11 looping  →2017-12

20171101_0000 UTC	20171102_0000 UTC	20171103_0000 UTC	20171104_0000 UTC
20171105_0000 UTC	20171106_0000 UTC	20171107_0000 UTC	20171108_0000 UTC
20171109_0000 UTC	20171110_0000 UTC	20171111_0000 UTC	20171112_0000 UTC
20171113_0000 UTC	20171114_0000 UTC	20171115_0000 UTC	20171116_0000 UTC
20171117_0000 UTC	20171118_0000 UTC	20171119_0000 UTC	20171120_0000 UTC
20171121_0000 UTC	20171122_0000 UTC	20171123_0000 UTC	20171124_0000 UTC
20171125_0000 UTC	20171126_0000 UTC	20171127_0000 UTC	20171128_0000 UTC
20171129_0000 UTC	20171130_0000 UTC

2017-10←  2017-11 looping  →2017-12