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xkcd #2846: Daylight Saving Choice
(imgs.xkcd.com)
Alt text:
I average out the spring and fall changes and just set my clocks 39 minutes ahead year-round.
This is the crux of the issue. An overwhelming majority of people support not changing the clocks anymore. But we can't reach a consensus on which to stick with. Personally, I think Arizona did it right.
Simple, split the difference, if India can deal with international commerce while being half an hour off compared to everyone else, I'm sure other countries can too.