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The Daylight Saving Time Quiz
by Staff
Daylight saving time (DST) isn't just here to mess with your sleep patterns — it serves an actual purpose. How much do you know about DST? Find out by taking this quiz.

What is the correct terminology for DST?

  • daylight savings time
  • daylight saving time
  • neither

Who wrote a brochure called "The Waste of Daylight" in support of DST?

  • William Willett
  • Benjamin Franklin
  • Thomas Jefferson

Which country did away with DST in 2011?

  • Spain
  • Russia
  • France

How long did Russia follow DST until opting out in 2011?

  • 8 years
  • 22 years
  • 30 years

During World War I, which country was the first to use DST as a measure to conserve resources?

  • Germany
  • England
  • United States

What year was the Uniform Time Act passed in the United States?

  • 1973
  • 1966
  • 1956

During World War I, which country was the first to follow Germany's lead in adopting DST?

  • United States
  • France
  • Britain

Which American president decried DST as a "deception," explaining that people should simply get up and go to work earlier during summer months?

  • Woodrow Wilson
  • Calvin Coolidge
  • Warren Harding

After World War II, how long did it take for the U.S. to repeal DST?

  • three days
  • three weeks
  • three months

Which U.S. state does not observe DST?

  • Nevada
  • Utah
  • Arizona

In 1965 St. Paul, Minnesota, was on Central Daylight Time while adjacent city Minneapolis, Minnesota, was still on Central Standard Time. How long did this time difference last?

  • two months
  • two days
  • two weeks

George Hudson, who first conceived DST, was from which country?

  • New Zealand
  • England
  • United States

A 2009 study found that mine workers are how much more likely to experience accidents after the spring time change?

  • 6 percent
  • 12 percent
  • 20 percent

What year did Indiana adopt DST?

  • 1953
  • 1977
  • 2006

Before the standardization of DST, states and localities could start and stop the practice whenever they wanted. At the low point of confusion, Iowa had how many different pairs of start/stop dates?

  • 23
  • 13
  • six

Which Canadian province does NOT adhere to DST?

  • Ontario
  • Saskatchewan
  • Alberta

Debilitating cluster headaches become more common in some people following which time change?

  • when DST begins
  • when DST ends
  • neither

Driving is safer during daylight hours. Observing DST the entire year might reduce vehicle occupant fatalities by how much in the U.S.?

  • 100
  • 200
  • 500

Some people say the increased level of recreational activity during DST also spikes a usage of what?

  • gasoline
  • firewood
  • beach balls

On the Monday following spring's DST change, people have more what?

  • broken limbs
  • aneurysms
  • heart attacks

Which of these pairs of cities opted to keep DST even after Congress repealed it in 1919?

  • Phoenix and Denver
  • New York and Chicago
  • Los Angeles and Dallas

The Energy Policy Act of 2005 extended DST by how many weeks?

  • two weeks
  • four weeks
  • six weeks

Which hour does DST take effect in the U.S.?

  • 2 a.m.
  • 3 a.m.
  • midnight

Why don't countries near the equator follow DST?

  • Warmer weather means it doesn't matter when the sun rises and sets.
  • Their days are always the same length.
  • Politics in tropical regions are at odds with the theories behind DST.

In North America what percentage of electricity goes to residential lighting?

  • 4 percent
  • 7 percent
  • 12 percent

The cost savings of reducing residential lighting is probably offset by increased usage of what?

  • refrigeration
  • heating
  • air conditioning

How many months each year does the United States operate under DST?

  • six
  • seven
  • eight

On which continent do most countries NOT use DST?

  • Asia
  • Africa
  • South America

In addition to Arizona, which other U.S. state does NOT follow DST?

  • Texas
  • Rhode Island
  • Hawaii

Which group lobbied against DST in 1918?

  • retail shops
  • farmers
  • golf course owners