The one thing I keep thinking about is calculations of elapsed time between two dates, esp if the older date is pre 1987 DST changes and the second date is post 2007 changes and one of those are not in GMT.

In reply to Re: Changes in USA's Daylight Savings Time (DST) by jk2addict
in thread Changes in USA's Daylight Saving Time (DST) by ikegami

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