The Year X problem
While I am pretty ambivalent about the daylight savings time concept, I do think the only thing sillier than changing our clocks twice a year, is randomly legislating new times to do so.
(Via Long Views)

And

So this month all our pre-programmed digital watches, timed light switches and sprinkler systems will be running an hour off schedule. Hopefully no life critical medical device will actually go too awry, and we can all settle in and wait for the Y10k mayhem.

Link to Wikipedia entry RE DST.
USA Today: Daylight saving boosts energy use