2000-05←  2000-06 looping  →2000-07

20000601_0000 UTC	20000602_0000 UTC	20000603_0000 UTC	20000604_0000 UTC
20000605_0000 UTC	20000606_0000 UTC	20000607_0000 UTC	20000608_0000 UTC
20000609_0000 UTC	20000610_0000 UTC	20000611_0000 UTC	20000612_0000 UTC
20000613_0000 UTC	20000614_0000 UTC	20000615_0000 UTC	20000616_0000 UTC
20000617_0000 UTC	20000618_0000 UTC	20000619_0000 UTC	20000620_0000 UTC
20000621_0000 UTC	20000622_0000 UTC	20000623_0000 UTC	20000624_0000 UTC
20000625_0000 UTC	20000626_0000 UTC	20000627_0000 UTC	20000628_0000 UTC
20000629_0000 UTC	20000630_0000 UTC

2000-05←  2000-06 looping  →2000-07