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The Evolution of U.S. Time Zones

Published on 8 May 20248 May 2024 by Jonathan Crowe

A short video from Vivid Maps showing the evolution of time zone boundaries in the United States. (The trend was inexorably westward: Michigan started out completely CST.)

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The Map Room is a blog about maps by Jonathan Crowe. Since 2003 he has covered everything from antique map collecting to the latest in geospatial technology. More about The Map Room.

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