Dynamist Blog

Double Daylight Saving Time

arc.jpgWhy was the sun rising as I walked to my Paris conference at 8:15 in the morning? I wondered. Thanks to Jim Lindgren, I now know the answer. In a "fall back" post on the Volokh Conspiracy, he explained:

It is pleasant traveling in France in the summer, which based on longitude should be on Greenwich time along with England, but instead is an hour ahead of London; the sun often goes down after 9:30pm. In effect, France and Spain are on double Daylight Saving Time in the summer and single Daylight Saving Time in the winter.

Peter Galison's book Einstein's Clocks, Poincare's Maps: Empires of Time details the intense Anglo-French rivalries over where to draw the time-establishing prime meridian.

Wild Miers Rumors

D Magazine publisher Wick Allison says rumors are flying that Harriet Miers might run for mayor of Dallas. Sounds crazy to me, but Wick claims "she would be inundated with campaign donations."

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