2019-12←  2020-01 looping  →2020-02

20200101_0000 UTC	20200102_0000 UTC	20200103_0000 UTC	20200104_0000 UTC
20200105_0000 UTC	20200106_0000 UTC	20200107_0000 UTC	20200108_0000 UTC
20200109_0000 UTC	20200110_0000 UTC	20200111_0000 UTC	20200112_0000 UTC
20200113_0000 UTC	20200114_0000 UTC	20200115_0000 UTC	20200116_0000 UTC
20200117_0000 UTC	20200118_0000 UTC	20200119_0000 UTC	20200120_0000 UTC
20200121_0000 UTC	20200122_0000 UTC	20200123_0000 UTC	20200124_0000 UTC
20200125_0000 UTC	20200126_0000 UTC	20200127_0000 UTC	20200128_0000 UTC
20200129_0000 UTC	20200130_0000 UTC	20200131_0000 UTC

2019-12←  2020-01 looping  →2020-02