2010-01←  2010-02 looping  →2010-03

20100201_0000 UTC	20100202_0000 UTC	20100203_0000 UTC	20100204_0000 UTC
20100205_0000 UTC	20100206_0000 UTC	20100207_0000 UTC	20100208_0000 UTC
20100209_0000 UTC	20100210_0000 UTC	20100211_0000 UTC	20100212_0000 UTC
20100213_0000 UTC	20100214_0000 UTC	20100215_0000 UTC	20100216_0000 UTC
20100217_0000 UTC	20100218_0000 UTC	20100219_0000 UTC	20100220_0000 UTC
20100221_0000 UTC	20100222_0000 UTC	20100223_0000 UTC	20100224_0000 UTC
20100225_0000 UTC	20100226_0000 UTC	20100227_0000 UTC	20100228_0000 UTC

2010-01←  2010-02 looping  →2010-03