Daylight Saving Time (DST) is an annual practice observed by many countries around the world. In the United States, DST starts on the second Sunday in March and ends on the first Sunday in November. This change in time aims to make better use of daylight during the longer days of spring and summer. However, not all states in the US adhere to this practice.
Which States Don’t Use DST?
While most states in the US observe DST, there are a few exceptions. Arizona and Hawaii do not use DST. In 2006, Indiana introduced DST, aligning with the majority of the country.
Daylight Saving Time in Dependencies of the USA
The US has various territories and dependencies that do not observe DST. American Samoa, Guam, Northern Mariana Islands, Puerto Rico, US Minor Outlying Islands, and US Virgin Islands all do not use DST.
Daylight Saving Time History in the United States
The United States first observed DST in 1918 and has implemented it for a total of 107 years between 1918 and 2024. Throughout its history, the US has seen changes in DST rules and schedules. The Uniform Time Act of 1966 brought uniformity to DST across the country. However, during the years 1945 to 1966, there was no consistent rule, causing confusion in various industries such as transportation and broadcasting.
DST in the USA Today
In the USA, DST currently starts on the second Sunday in March and ends on the first Sunday in November. This schedule has been in place since 2007, following the Energy Policy Act of 2005. The Department of Transportation governs the use of DST, although states and territories have the right to choose whether or not to observe DST.
Conclusion
Daylight Saving Time continues to be a topic of interest and discussion in the United States. While most states observe DST, there are exceptions such as Arizona and Hawaii. Understanding the history and current practices of DST helps individuals stay informed and adjust their schedules accordingly.
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