Clocks roll back in November as daylight saving ends
By Julie Thayer
HIGH PLAINS NEWS NORTH
As the first Sunday in November approaches, Americans are reminded to set their clocks back one hour — at 2 a.m. local time on Sunday, Nov. 2, in most parts of the country. The shift marks the annual return to standard time, after the period of daylight saving time ends.
The biannual ritual of “falling back” raises the question: Why does the clock change occur at all? The answer involves a layered history of energy policy, wartime exigency, time-zone coordination, and everyday convenience.
A brief history of the time change
The idea of shifting clocks to better align waking hours with daylight can be traced as far back as the 18th century, but the modern practice took hold in the United States during wartime.
In March 1918, President Woodrow Wilson signed the Standard Time Act, which both established standard time zones and instituted daylight saving time (DST) for the first time federally.
The measure was aimed at conserving fuel and resources during World War I, by shifting daylight hours to when more people were active.
After the war, DST was repealed, and over the decades states and municipalities adopted a hodge-podge of practices, leading to confusion.
In 1966, Congress passed the Uniform Time Act to standardize the observance of daylight saving time across the country (with some opt-outs).
More recently, in 2007, the start and end dates of DST were moved: it now begins on the second Sunday in March and ends on the first Sunday in November.
Why we change the clocks
The core reasons given for observing daylight saving time and switching back to standard time include:
Energy conservation: The original logic was that by shifting clocks so people have more daylight in the evening, less artificial lighting (and thus energy) would be used.
Better use of daylight: Aligning hours of activity with daylight hours means more light during evening activities and potentially more commerce and recreation.
Standardization and coordination: Having uniform practices across states and time zones helps transportation, commerce, broadcasting and other sectors.
However, these benefits are debated. For example, some studies suggest the energy savings are modest; others point to complications for sleep patterns, morning darkness, and coordination issues.
What this means for you
On Sunday, Nov. 2 at 2 a.m. local time, clocks should go back one hour (so 2 a.m. becomes 1 a.m.).
The shift means sunrise and sunset will both occur an hour earlier on the clock, which means darker mornings but earlier evenings with more light relative to wake-time.
It’s a good opportunity to check smoke alarms, replace batteries, and review emergency plans — many organizations recommend doing so at time changes.
Not all regions observe the change; for example, parts of Arizona and Hawaii maintain standard time year-round.
Looking ahead
The topic of whether to keep switching clocks or adopt a permanent time policy is under active discussion. Some lawmakers favor making daylight saving time permanent, while others advocate staying on standard time.
Until any change is enacted federally, the twice-yearly clock shift remains the rule in much of the U.S.
As you prepare for the time change, remember that “falling back” gives you an extra hour of sleep — but also means adjusting to earlier darkness. For many, it’s a gentle reminder of the rhythm that keeps our modern clocks aligned with the sun.