Chapter 1
The satirical spark and wartime clocks
Chapter 2
The great energy saving myth
Chapter 3
Our bodies vs the clock
Chapter 4
A world divided over time
YOUR GOAL
Master of Spring forward, fall back, and the battle over time
Ch 2 · The great energy saving myth
misslily Daylight Saving Energy Impact
Shift the clock, shift the clock / But we're running the AC all night.
misslily More after-work daylight encourages driving to stores and parks, boosting oil company profits while increasing fuel consumption.
Fun Fact
Indiana's clock study: A 2008 study found that Daylight Saving Time actually cost Indiana households an extra $9 million annually in increased air conditioning bills.
Glossary
daylight saving time (noun)
The practice of advancing clocks by one hour during warmer months to extend evening daylight. A 2008 Indiana study revealed this practice actually increased residential electricity use by one percent.
The practice of advancing clocks by one hour during warmer months to extend evening daylight. A 2008 Indiana study revealed this practice actually increased residential electricity use by one percent.
Quiz
Why did the 2008 Indiana study find that Daylight Saving Time actually increased household energy bills?
Quiz
What fuel consumption actually increases during Daylight Saving Time because people drive more in the evening?
Quiz
Which industry lobbied heavily in the U.S. in 1986 to extend Daylight Saving Time to boost its sales?
Quiz
Why did the original energy-saving logic of Daylight Saving Time work better in the early 20th century?
Quiz
By how much did the U.S. golf and barbecue industries estimate they gained in revenue from the 1986 DST extension?
Quiz
Approximately what percentage of modern residential energy in developed nations is used for home lighting?
Quiz
What did a famous 2008 study in Indiana discover about the state's energy use after adopting Daylight Saving Time?