Sunday morning March 10th, in most of the United States of America, people will be setting their clocks one hour forward. This annual ‘event’ is often referred to by the phrase “Spring Forward”.
By setting clocks one hour forward it puts the U.S.A. on Daylight Saving Time. For you astronomical types, and you know who you are, I live at approximately 94oW, in the Central Time Zone. Using UT, Universal Time springing forward for me is a change from UT-6 to UT-5.
You can learn a lot about time and calendars at the Time and Date web site.
Click here to go to the Qué tal in the Current Skies web site for monthly observing information, or here to return to bobs-spaces.
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The skies of March reflect the transition from winter to spring in the northern hemisphere, and is also the time when some say that “spring comes in like a lion and goes out lamb”. This has to do with the placement of the constellations Leo the Lion and Aries the Ram (not a lamb), as this graphic below is showing. This time change coincides with the season change and is seen in the sky with Leo rising in the east while Aries sets in the west. Between these two are the easily recognized stars belonging to Taurus the Bull, Orion the Hunter,and others that are associated with northern hemisphere winter night skies.
Time also shifts as we gradually transit seasons. The United States as well as other countries will make the shift from Local Standard Time to Daylight Saving Time on Sunday March 8th by setting clocks forward one hour. Hence we “spring forward” one hour.
This adjustment was first proposed by an Englishman, William Willett, in his pamphlet Waste of Daylight, published in 1907. It took nearly ten years for the idea to catch on before it was passed into law by the United States Congress as the Standard Time Act in 1917. The entire country, U.S.A., was placed under Daylight Saving Time starting on March 30, 1918. This occurred during our involvement in World War I and the act was adopted in part to help the war effort by increasing the number of usable daylight hours and saving energy. At the close of the war, the act was repealed and was not reinstated on a permanent basis until the start of World War II.
Over the years, the dates for the two time shifts has fluctuated but now due to the Energy Policy Act of 2005 Daylight Saving Time, in the U.S.A., begins on the first Sunday in March and ends with the return to Standard Time on the first Sunday in November.
It is Saving time, not Savings Time. Savings are what you do with money in a bank.
Click here to go to the Qué tal in the Current Skies web site for more observing information for this month.