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Lose Hour? Gain Hour? Oh Well, It’s Tonight!

March 7th, 2009 · No Comments

Lose Hour? Gain Hour? Oh Well, It’s Tonight!

Tonight’s the time for most of us to “Spring Forward” as the saying goes…  Tonight we lose an hour, by setting our clocks ahead 1 hour (officially at 2am tonight, actually Sunday morning) for Daylight Saving Time.

I’ve never quite understood this… Do we actually SAVE DAYLIGHT?  No, but before I get a lot of letters, I know it is supposed to mean that we have more light hours in our work day, so we can work longer (this is good?), or in cooler temps, but the day is the day, right? 

Oh well, we, here in always sunny Arizona, don’t change the times, we stay the same all year ’round.  So, does that mean we LOSE DAYLIGHT?  No, the sun still rises, and sets, but… we do get to switch (in Arizona) to Pacific Time (for 6 months of the year), leaving the comfort of our Mountain Time Zone till we can reclaim our “lost hour” (which we didn’t lose) sometime in the fall.

Here’s the real deal (read below or click link for it all), from

The change to Daylight Saving Time allows us to use less energy in lighting our homes by taking advantage of the longer and later daylight hours. During the six-and-a-half-month period of Daylight Saving Time, the names of time in each of the time zones in the U.S. change as well. Eastern Standard Time (EST) becomes Eastern Daylight Time, Central Standard Time (CST) becomes Central Daylight Time (CDT), Mountain Standard Time (MST) becomes Mountain Daylight Tome (MDT), Pacific Standard Time becomes Pacific Daylight Time (PDT), and so forth.

Daylight Saving Time was instituted in the United States during World War I in order to save energy for war production by taking advantage of the later hours of daylight between April and October. During World War II the federal government again required the states to observe the time change. Between the wars and after World War II, states and communities chose whether or not to observe Daylight Saving Time. In 1966, Congress passed the Uniform Time Act which standardized the length of Daylight Saving Time.

Daylight Saving Time is four weeks longer since 2007 due to the passage of the Energy Policy Act in 2005. The Act extended Daylight Saving Time by four weeks from the second Sunday of March to the first Sunday of November, with the hope that it would save 10,000 barrels of oil each day through reduced use of power by businesses during daylight hours. Unfortunately, it is exceedingly difficult to determine energy savings from Daylight Saving Time and based on a variety of factors, it is possible that little or no energy is saved by Daylight Saving Time.

Arizona (except some Indian Reservations), Hawaii, Puerto Rico, the U.S. Virgin Islands, and American Samoa have chosen not to observe Daylight Saving Time. This choice does make sense for the areas closer to the equator because the days are more consistent in length throughout the year.


Tags: Helpful Tips · Notes from Jim

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