The Origins of Daylight Saving Time
The idea of shifting clocks to make better use of daylight has been proposed since Benjamin Franklin jokingly suggested Parisians wake up earlier in 1784. But the modern concept was seriously proposed by New Zealand entomologist George Hudson in 1895, who wanted extra afternoon daylight for insect collecting.
Germany was the first country to officially implement DST during World War I in 1916, hoping to conserve coal for the war effort. Britain, France, and many other countries quickly followed. The United States adopted it in 1918.
The Arguments for DST
Proponents argue that DST reduces energy consumption (less lighting needed in the evening), promotes outdoor activity and retail spending, and reduces traffic accidents due to more evening daylight.
The Arguments Against DST
Modern research has raised serious questions about DST's benefits. Studies show that the week after the spring clock change sees increased heart attacks, car accidents, and reduced productivity. The energy savings have proven to be minimal or nonexistent in modern buildings with better insulation and LED lighting.
Countries That Have Abolished DST
Many countries and regions have eliminated DST in recent years. Russia abolished it in 2014. Most of Asia (China, Japan, South Korea, India, Singapore) never adopted it. The European Union voted to end DST in 2019, though implementation has been delayed by political disagreements.
In the United States, states like Arizona and Hawaii don't observe DST. Hawaii's tropical latitude makes the change pointless, and Arizona's desert climate means people want less, not more, afternoon sun.