September 2010 Daylight Saving Time (DST) Cumulative Update

The September Cumulative Update (CU) for DST contains three changes :  For US Eastern Standard time (UTC -5:00, Indiana East), the CU adds DST support and updates history from 2006 through 2009 to reflect the change in which DST is applicable for the whole state and not per-county.  Specifically, for 2005 and earlier, this timezone does…

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