Today is the end of Daylight Saving Time (DST) for much of the United States, which means we get an extra hour of sleep: spring forward, fall back. For most of the world, Daylight Saving Time, whenever it occurs and whether called that or British Summer Time (BST) or another name, means advancing clocks an hour in spring and falling back an hour in autumn, or means nothing at all except having to adjust for neighbors who change.
Two locations are distinctive in this biannual clock dance, both in the austral regions of the globe as it happens. The Norwegian Polar Institute in Antarctica, home of Troll Airfield, jumps two hours at each change. On the other hand, Australia's Lord Howe Island changes just 30 minutes.
If you happen to be in those portions of the United States which implement DST, enjoy your extra hour of sleep—and don't forget to set your clocks back an hour!
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Karl L. Swartz.
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