As the US adjusts to daylight saving time, these are the countries that change and those that don’t

What is summer time?

Daylight saving time is the process of turning clocks back one hour during the spring so that daylight lasts longer during the day, while the sunrise hours are reduced later.

It is generally believed that the origins of Daylight Saving Time can be traced back to the ideas of William Willett, an English builder who proposed the modern concept of Daylight Saving Time in 1907 as a way to enjoy extra daylight in the winter months. summer and save money.

Willett lobbied heavily in the British Parliament but ironically died shortly before its adoption by Germany, the United Kingdom, and many other European countries in 1916 and elsewhere in the years that followed.

What states do not participate in daylight saving time?

Although most of the United States observes daylight saving time, it is not practiced in Arizona (except on Navajo tribal lands), Hawaii, and the US territories of Puerto Rico, Guam, American Samoa, the US Virgin Islands States and the Northern Mariana Islands. Islands.

What year did Daylight Saving Time begin in the US?

Daylight saving time was adopted in the United States in 1918, but was repealed in 1919 due to the end of World War I and its widespread unpopularity with the American public, although states and cities had the option of observing it if they wished. .

President Franklin Roosevelt reinstated daylight saving time from February 9, 1942, to September 30, 1945.

Due to the confusion of some states and cities that continued to observe daylight saving time in subsequent years, Congress passed the Uniform Time Act of 1966 to establish uniform daylight saving time in each time zone, exempting states that chose to stay on standard time. Since then, it has been observed by most of the states in the country.

Advantages and Disadvantages of Daylight Saving Time

Daylight saving time advocates say adding an extra hour of evening sun motivates people to get out of the house and do something active, which helps with health and fitness levels, as well as increasing vitamin intake D as less artificial light is needed. This also saves on energy costs.

However, studies have found that in modern society, energy costs actually tend to rise due to prolonged use of air conditioning units and computers.

But the biggest argument against daylight saving time is that it disrupts our body clocks or circadian rhythm, which can be dangerous in some cases. Heart attack risk increases when daylight saving time begins, while an extra hour of darkness has also been linked to depression.