The annual transition to daylight saving time is set to occur across most of the United States on Sunday, 8 March, beginning at 2 a.m. local time. This shift will see clocks moved forward by one hour, providing additional evening daylight until the time reverts back in November.
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Daylight saving time (DST) is designed to optimise daylight usage during the warmer months. By setting clocks forward an hour, the sunsets will occur later in the day, allowing for more daylight in the evenings. For instance, a sunset traditionally at 6 p.m. will be shifted to around 7 p.m. following the change.
Despite its prevalence, some regions opt out of this practice. Hawaii and most of Arizona are notably absent from the list of states that observe DST. Additionally, U.S. territories such as Puerto Rico, Guam, and the U.S. Virgin Islands operate on standard time throughout the year, without engaging in the clock adjustment.
The origins of daylight saving time trace back to the early 20th century, popularised during both World Wars as governments sought to conserve fuel and electricity. In the United States, the Uniform Time Act of 1966 established a uniform schedule for states to follow. Proponents of DST argue that it not only enhances physical activity by encouraging outdoor pursuits but also reduces electrical energy consumption through decreased dependence on artificial lighting.
Conversely, critics contend that the shift is outdated and often causes more disturbances than benefits to everyday life. The Sunshine Protection Act, which aims to make daylight saving a permanent fixture and abolish the semi-annual clock changes, has been presented to Congress several times since 2018. Although it garnered unanimous Senate approval in 2022, it has yet to be enacted into law.
As the clock change approaches, individuals are reminded to adjust their clocks manually, particularly those devices that do not set automatically such as microwaves, ovens, and car dashboards. Most smartphones and internet-connected devices will update their respective times, thus streamlining the process for many.
The transition can result in temporary sleep disturbances, leaving some individuals feeling drowsy when they wake up to their alarms. Dr Beth Malow, a physician at Monroe Carell Jr. Children’s Hospital at Vanderbilt, provided valuable tips for easing this shift. She encourages people to go to bed earlier in the days leading up to the change and to get outside into natural light soon after awakening. Exposure to sunlight can aid in synchronising the body’s internal clock.
Dr Malow emphasised that adjustments might take several days, but the eventual reward is an extended daylight experience in the evenings during the spring and summer. The extra sunlight can create opportunities for various leisure activities and enrich personal well-being.
As the much-anticipated time change draws near, residents are encouraged to prepare for the transition. Despite the initial inconvenience, the promise of longer evenings filled with natural light is a welcome prospect for many as they emerge into the brighter seasons ahead.