BLOG: 5 things you might not know about daylight savings time


  1. The headline to this article is incorrect. It’s actually “daylight saving time,” not “daylight savings time,” because we’re saving daylight, not savings it.
  2. Florida lawmakers just passed a bill calling for year-round daylight saving time. Year-round daylight saving time means the sun would come up later in winter, but supporters say it would help the economy, save energy, improve highway and public safety, and reduce crime due to the fact there is more sunlight in the evening hours. There’s just one catch:
  3. The federal government has final say over the nation’s time zones as well as the beginning and end of daylight saving time. Under the Uniform Time Act of 1966, that decision rests with the U.S. Department of Transportation, which has to consider the impact the change would have on transportation, the times of radio and TV broadcasts, health care and the economy.
  4. The U.S. territories of American Samoa, Guam, the Northern Mariana Islands, Puerto Rico, and the U.S. Virgin Islands don’t do daylight saving time. Neither do Hawaii or Arizona, although Navajo lands in Arizona do spring forward in March and fall back in November.
  5. Continental time zones didn’t even exist until the railroads invented them in 1883, and they weren’t adopted by Congress until 1918. Before that, most towns had their own time zones, based on the idea of “high noon,” or whatever time the sun was at its highest point in the sky. That was fine until the railroads came along and need to stick to a schedule. It was easier for them to create four large time zones than it was to keep track of hundreds of local time zones across the country.

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