When is daylight saving time? Here's when clocks spring forward in Chicago

Most Americans will set their clocks forward by one hour on Sunday, March 9, 2025.

While we’ll lose some sleep, the Chicago area will also gain more sunlight in the evenings as the days warm into summer.

Is it daylight saving time or daylight savings time?

It's important to note that the correct term is daylight saving time, not daylight savings time, although it is commonly misspelled.

When does daylight saving time 2025 start? Do we lose an hour of sleep?

Daylight saving time 2025 begins on Sunday, March 9. The change officially occurs at 2 a.m., when we set our clocks forward by one hour.

When does daylight saving time 2025 end?

Daylight saving time 2025 officially ends on Sunday, November 2, 2025.

When will the sunset in Chicago? 

According to Chief Meteorologist, Emily Wahls, the sunsets are getting longer day by day. By April 1, the sun will set at 7:16 p.m. – even better, by July 1, we'll be waving goodbye to the sun closer to 8:30 p.m.

What is the purpose of daylight saving?

What we know:

In the 1890s, New Zealand astronomer and entomologist George Vernon Hudson proposed a time shift in the spring and fall to increase daylight. In the early 1900s, British home builder William Willett, concerned that people weren't up enjoying the morning sunlight, made a similar push. However, neither proposal gained enough traction to be implemented, according to the Associated Press.

Germany adopted daylight saving time during World War I to conserve energy. Other countries, including the United States, soon followed suit. During World War II, the U.S. implemented "war time," making daylight saving time year-round nationwide.

READ MORE: Eliminating daylight saving time could mean dramatic changes to sunrise, sunset times

Do other countries participate in daylight saving?

The backstory:

In 1966, the U.S. Congress passed the Uniform Time Act, which allows states to either implement daylight saving time or opt out, while requiring statewide consistency. The act also mandates the start and end dates for daylight saving time across the country.

In the United States, every state except Hawaii and Arizona observes daylight saving time. Globally, Europe, much of Canada, and parts of Australia also implement it, while Russia and Asia do not.

READ MORE: Fall back with ease: Tips for adjusting to daylight saving time 

Could we permanently end daylight saving time?

What's next:

President Donald Trump has expressed his dislike for daylight saving time. In a post on his social media site last year, Trump stated that his party would work to end the practice.

"The Republican Party will use its best efforts to eliminate Daylight Saving Time, which has a small but strong constituency, but shouldn’t! Daylight Saving Time is inconvenient, and very costly to our Nation," he wrote.

Lawmakers have occasionally proposed doing away with the time change altogether. The most prominent recent attempt, a now-stalled bipartisan bill called the Sunshine Protection Act, proposed making daylight saving time permanent.

READ MORE: When is the happiest time of day?

The Source: FOX 32 Chicago, FOX 5 DC and the Associated Press.

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