2010-04←  2010-05 looping  →2010-06

20100501_0000 UTC	20100502_0000 UTC	20100503_0000 UTC	20100504_0000 UTC
20100505_0000 UTC	20100506_0000 UTC	20100507_0000 UTC	20100508_0000 UTC
20100509_0000 UTC	20100510_0000 UTC	20100511_0000 UTC	20100512_0000 UTC
20100513_0000 UTC	20100514_0000 UTC	20100515_0000 UTC	20100516_0000 UTC
20100517_0000 UTC	20100518_0000 UTC	20100519_0000 UTC	20100520_0000 UTC
20100521_0000 UTC	20100522_0000 UTC	20100523_0000 UTC	20100524_0000 UTC
20100525_0000 UTC	20100526_0000 UTC	20100527_0000 UTC	20100528_0000 UTC
20100529_0000 UTC	20100530_0000 UTC	20100531_0000 UTC

2010-04←  2010-05 looping  →2010-06