2018-02←  2018-03 looping  →2018-04

20180301_0000 UTC	20180302_0000 UTC	20180303_0000 UTC	20180304_0000 UTC
20180305_0000 UTC	20180306_0000 UTC	20180307_0000 UTC	20180308_0000 UTC
20180309_0000 UTC	20180310_0000 UTC	20180311_0000 UTC	20180312_0000 UTC
20180313_0000 UTC	20180314_0000 UTC	20180315_0000 UTC	20180316_0000 UTC
20180317_0000 UTC	20180318_0000 UTC	20180319_0000 UTC	20180320_0000 UTC
20180321_0000 UTC	20180322_0000 UTC	20180323_0000 UTC	20180324_0000 UTC
20180325_0000 UTC	20180326_0000 UTC	20180327_0000 UTC	20180328_0000 UTC
20180329_0000 UTC	20180330_0000 UTC	20180331_0000 UTC

2018-02←  2018-03 looping  →2018-04