US Daylight Savings Time 2023: Everything else you need to know

photo: Business Insider

The origins of daylight saving time in the United States can be traced back to an amusing essay written by Benjamin Franklin, titled An Economical Project to Lower the Cost of Light, for The Journal of Paris in 1784. In this essay, Franklin suggested that Parisians could save money on candles by waking up earlier and making use of natural daylight. However, this was meant to be more of a humorous suggestion than a serious proposal.

It wasn't until World War I that daylight saving time was first implemented, with Germany being the first country to adopt it on May 1, 1916, in order to conserve fuel. Soon after, other European countries followed suit.

In the United States, it took two more years before daylight saving time was adopted, with the introduction of the Standard Time Act on March 19, 1918 (also known as the Calder Act, as it was introduced in the Senate by William M. Calder). This law established the Standard Time Zone system and summer Daylight Saving Time, and defined five time zones for the country.

Daylight saving time was eventually abolished by Congress, despite President Woodrow Wilson's veto, making it a local option for each state. However, New York was one of the states that chose to continue using daylight saving time, and due to its economic influence, it encouraged other states to adopt it as well.

During World War II, President Franklin Roosevelt implemented a new form of daylight saving time for the entire country, which was in effect throughout the year and was referred to as "War Time." This lasted until Sunday, September 30, 1945.

After this date, the absence of a federal daylight saving time meant that various states and territories had different schedules during certain months, causing disruptions in the transportation industry. As a result, the Uniform Time Act of 1966 was signed into law by President Lyndon Johnson, establishing a standardized schedule for daylight saving time.

Since then, there have been some experimental periods (such as a full year of daylight saving time in 1974) and extensions to the time period during which it is applied.

When is daylight saving time in the United States?

In the United States, daylight saving time begins on the second Sunday of March and ends on the first Sunday of November. For this year, it will start on March 12, 2023 and end on November 5th.

For 2024, DST will start on March 10th and end on November 3rd. In 2025, the dates will be March 9th and November 2nd, while in 2026, DST will begin on March 8th and end on November 1st.

What time is the change to daylight saving time in the United States?

photo: CBD News

In the United States, the change to daylight saving time occurs at 2:00 am, at which point clocks are moved forward by one hour to 3:00 am. In the fall, clocks are moved back by one hour from 2:00 am to 1:00 am. Many electronic devices automatically adjust for this change.

What states do not follow daylight saving time in the United States?

The states and territories in the United States that do not observe daylight saving time are Arizona, Hawaii, American Samoa, Guam, the Mariana Islands, Puerto Rico, and the Virgin Islands.

Will daylight saving time be permanent in the United States?


A bill was passed by the United States Senate in 2022 to make daylight saving time permanent. If enacted, this change would take effect in November 2023 at the end of this year's daylight saving time.

Since 2015, various proposals have been put forward arguing that changing the clock twice a year is no longer compatible with the lifestyle and work patterns of modern citizens.

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