Millions of Americans gained an hour of sleep this weekend when the twice-a-year time change commonly known as daylight saving ended for 2026.
asserted
change → gain → 2026
Most of the U.S. "fell back" an hour when the clocks changed at 2 a.m. on Sunday.
asserted
clocks → fall → Sunday
Here's what to know about what's formally known as daylight saving time as it ended for the year:
What is daylight saving time, and why do we have it?
asserted
we → know → it
Daylight saving time is the period during the year, from March to early November, when the majority of the U.S. operates one hour ahead of standard time.
asserted
majority → operate → time
The move effectively "saves" an hour of daylight from the morning and adds it to the evening during the spring and summer months when the days are the longest.
asserted
days → save → months
In the fall and winter months, when the days are shorter, the U.S. returns to standard time, with daylight coming earlier in the morning.
asserted
daylight → return → morning
For example, in Boston on Saturday, before the time change, the sun rose at 7:16 a.m. and set at 5:39 p.m., according to the National Weather Service.
uncertain
sun → rise → Service
After the war, Congress repealed the clock switch but gave states the option to continue observing it.
asserted
Congress → repeal → it
daylight saving time in 1918 during World War I as an effort to conserve fuel after Europe implemented its own time change, according to theDuring World War II and the 1970s energy crisis, Congress brought year-round daylight saving time to the U.S., again with the goal of reducing energy consumption.
uncertain
Congress → conserve → consumption
These experiments didn't last long.
asserted
experiments → last → ?
After the war, the U.S. let states and municipalities decide for themselves if they wanted to keep daylight saving time and when to observe it.
asserted
they → let → it
(Congress didn't establish a uniform start and end for the time change until 1966.)
asserted
Congress → establish → 1966
In the 1970s, continuous daylight saving time was stopped before reaching the 10-month mark.
asserted
time → stop → mark
Will the U.S. move to year-round daylight saving time?
asserted
U.S. → move → time
Earlier this year, legislation to once again make daylight saving time last all year long cleared a major hurdle in Congress.
asserted
time → make → Congress
The legislation would also let states opt out of daylight saving time altogether before the law takes effect.
asserted
law → let → effect
President Trump, who supports the bill, accused a fellow Republican, Arkansas Sen. Tom Cotton, of
.
asserted
who → support → Republican
Mr. Trump even posted to social media what he said was Cotton's cellphone number and urged people to call the senator to express their support for the measure.
asserted
he → post → measure
In response, Cotton noted Congress has tried permanent daylight saving time before, only to go back to the twice-yearly time change "once Americans experienced absurdly late sunrises in the winter."
asserted
Americans → note → winter
There is a ticking clock for the Senate to take action on the bill.
asserted
Senate → be → bill
The legislation and any other bills awaiting approval in Congress are set to expire in early January when the new class of lawmakers elected in Tuesday's
takes office.
asserted
class → await → office
If the bill does die, the effort to change daylight saving time will have to start over and be approved by the House and the Senate before it can go to the president.
asserted
it → die → president
Did the time change today?
asserted
time → change → ?
Yes, the time changed at 2 a.m. local time Sunday.
asserted
time → change → a.m.
For 2026, the end of daylight saving time came during the overnight hours after Halloween, giving revelers an extra hour of enjoying late-night costume parties — or an extra hour of sleep to recover from their fun.
But for parents of young children, the time change may have been more of a trick and less of a treat, potentially disrupting their kids' sleep schedules until they adjust.
What day and time did daylight saving time end in November 2026?
uncertain
time → save → November
Daylight saving time officially ended at 2 a.m. local time on Sunday, Nov. 1.
asserted
time → save → Sunday
Americans have been "falling back" on the first Sunday of November since 2007, when the most recent changes to daylight saving time
.
asserted
Americans → fall → time
A 2005 law moved the end date from the last Sunday of October.
asserted
law → move → October
Do we lose or gain an hour when daylight saving time ended?
asserted
time → lose → hour
Most Americans gained an hour when daylight saving time ended, making up for the hour they lost when the clocks "sprang forward" in March.
When will daylight saving time start again in 2027?
asserted
time → gain → 2027
Daylight saving time is set to begin in 2027 on Sunday, March 14, at 2 a.m. local time.
asserted
time → set → a.m.
The time change starts on the second Sunday of March, which falls on such a late date next year because the month starts on a Monday.
asserted
month → start → Monday
In 2026, daylight saving time
.The start date was also changed in 2007 to extend the length of daylight saving time, which previously began on the first Sunday of April.
Which states don't do daylight saving time?
asserted
states → change → time
Daylight saving time is observed in every state except for according to the tribe.
.
uncertain
time → save → tribe
The Navajo Nation, which is located in part of Arizona, observes the time change to stay on the same time as their communities in the neighboring states of New Mexico and Utah,
asserted
which → locate → Mexico
The U.S. territories of American Samoa, Guam, the Northern Mariana Islands, Puerto Rico and the U.S. Virgin Islands also don't observe daylight saving time.
asserted
territories → observe → time
Will my phone change for daylight saving time automatically?
asserted
phone → change → time
Phones should change overnight to display the correct time if they're set to update automatically.
asserted
they → change → time
Apple, Google and Samsung have support pages with instructions for changing the clocks on their devices.
asserted
Apple → have → devices
Carriers like Simple Mobile and Straight Talk have also posted steps online for checking the settings on other phones.
asserted
Carriers → post → phones
The Aporia
