2019-08←  2019-09 looping  →2019-10

20190901_0000 UTC	20190902_0000 UTC	20190903_0000 UTC	20190904_0000 UTC
20190905_0000 UTC	20190906_0000 UTC	20190907_0000 UTC	20190908_0000 UTC
20190909_0000 UTC	20190910_0000 UTC	20190911_0000 UTC	20190912_0000 UTC
20190913_0000 UTC	20190914_0000 UTC	20190915_0000 UTC	20190916_0000 UTC
20190917_0000 UTC	20190918_0000 UTC	20190919_0000 UTC	20190920_0000 UTC
20190921_0000 UTC	20190922_0000 UTC	20190923_0000 UTC	20190924_0000 UTC
20190925_0000 UTC	20190926_0000 UTC	20190927_0000 UTC	20190928_0000 UTC
20190929_0000 UTC	20190930_0000 UTC

2019-08←  2019-09 looping  →2019-10