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Seattle Times news librarian Gene Balk crunches the numbers

Topic: economics

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March 9, 2013 at 12:00 PM

Is daylight saving time costing you more than just sleep?


Photo: Joe Mabel/Wikimedia Commons

When we set our clocks ahead tonight, will we be setting back the Seattle-Tacoma area by millions of dollars?  Yes, according to a new study.   The Lost-Hour Economic Index, devised by Chmura Economics & Analytics for, indicates that daylight saving time costs our region $4.2 million, or about $1.20 per person.

While “saving” is right there in the name of daylight saving time, a growing body of evidence suggests that setting our clocks ahead actually comes at a heavy cost.  For example, studies have concluded that the loss of sleep and disruption of our internal “body clock” associated with DST causes a spike in automobile accidents and heart attacks.  Other costs include an increase in workplace accidents and “cyberloafing.”


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