Why Are We Still Changing Our Clocks for Daylight Saving Time?
Every year, the United States changes its clocks twice to adjust for daylight saving time, except for Hawaii and Arizona. This tradition involves moving clocks back one hour in the fall to "fall back," usually before bed on a Saturday night.
The End of Daylight Saving Time
As the northern hemisphere enters its darkest period, daylight saving time comes to an end. On Sunday, November 2, clocks will fall back an hour at 1 a.m., marking shorter daylight hours.
Shortening Daylight Hours
Since the Summer Solstice, the number of daylight hours has been steadily decreasing. By November 2, the sun will set as early as 4:56 p.m. in San Diego, based on National Oceanic and Atmospheric Administration (NOAA) data.
Those who enjoy sunshine should take advantage of the daylight while it lasts, as sunrise occurs at 6:07 a.m. around this time.
Winter Solstice and Seasonal Changes
- On November 27, Thanksgiving Day, the sun sets early at 4:43 p.m.
- By December 21, the Winter Solstice—the shortest day and longest night of the year—the sun will set as early as 4:47 p.m., according to NOAA.
These shorter daylight periods contribute to a natural slowdown, often making people feel sleepy, especially after heavy meals such as a carbohydrate-rich Thanksgiving dinner.
"The hours of sunlight have been steadily shrinking since the Summer Solstice." — NOAA
Author's summary: Despite the inconvenience, the twice-yearly clock changes continue in most U.S. states to adapt to natural shifts in daylight, especially as we approach the year's shortest days.
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