In the final months of World War One, on Mar. 19, 1918, the U.S. congress established time zones and approved daylight savings time. As a means to conserve fuel and other energy sources, daylight savings time helped save vital resources important towards the war effort, and is still in effect today.
Today In History- March 19
The U.S. Congress establishes time zones and approves daylight saving time.
Daylight savings time established for WWI conservation purposes.
- Washington D.C., USA
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