2019-10←  2019-11 looping  →2019-12

20191101_0000 UTC	20191102_0000 UTC	20191103_0000 UTC	20191104_0000 UTC
20191105_0000 UTC	20191106_0000 UTC	20191107_0000 UTC	20191108_0000 UTC
20191109_0000 UTC	20191110_0000 UTC	20191111_0000 UTC	20191112_0000 UTC
20191113_0000 UTC	20191114_0000 UTC	20191115_0000 UTC	20191116_0000 UTC
20191117_0000 UTC	20191118_0000 UTC	20191119_0000 UTC	20191120_0000 UTC
20191121_0000 UTC	20191122_0000 UTC	20191123_0000 UTC	20191124_0000 UTC
20191125_0000 UTC	20191126_0000 UTC	20191127_0000 UTC	20191128_0000 UTC
20191129_0000 UTC	20191130_0000 UTC

2019-10←  2019-11 looping  →2019-12