Why Are We Still Changing Our Clocks for Daylight Saving Time?
In the United States, most states except Hawaii and Arizona adjust their clocks twice a year for daylight saving time. This year, on Sunday, November 2, clocks will move back one hour at 1 a.m., a tradition known as "falling back."
The practice marks the end of daylight saving time as daylight hours shorten in the northern hemisphere during the approach of winter. Since the Summer Solstice, the first official day of summer, the amount of sunlight has gradually decreased.
Falling Back and Shorter Days
On November 2 in San Diego, the sun will set as early as 4:56 p.m., according to the National Oceanic and Atmospheric Administration (NOAA). For those who enjoy sunlight, it's best to soak up as much as possible, since sunrise will be at 6:07 a.m.
As daylight continues to diminish, the sun will set even earlier, reaching about 4:43 p.m. by Thanksgiving Day, November 27. This shorter daylight, combined with traditional carb-heavy meals, can encourage a deeper sleep.
Approaching the Winter Solstice
The decline in daylight culminates on December 21, the Winter Solstice, which is the shortest day and longest night of the year. NOAA notes the sun will set by 4:47 p.m. on this day.
"The sun will set as early as 4:47 p.m., also according to NOAA. That day is also known as the shortest day and the longest night of the year."
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