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Daylight Saving Time

Daylight Saving Time is the practice of advancing clocks one hour near the end of spring and setting clocks back to standard time in autumn. While it is widely adopted, it has also been criticized as it affects various activities.

1,430 Questions

How did Daylight Saving Time affect the Vietnam War draft?

A man, born just after 12:00 a.m. DST, was able to circumvent the Vietnam War draft by using a daylight saving time loophole. When drafted, he argued that standard time, not DST, was the official time for recording births in his state of Delaware in the year of his birth. Thus, under official standard time he was actually born on the previous day—and that day had a much higher draft lottery number, allowing him to avoid the draft.

How does Daylight Saving Time save energy?

Having more hours of daylight is supposed to reduce the number of hours lights are turned on each evening, but that saves no energy. It only wastes energy because Daylight Saving Time does not bring more daylight. People have to wake up to a darker sky and fiddle with electricity if they cannot see.actually daylight saving time was started during a war so there could be more light to battle in

-UBERnoob1098

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You are right in that it brings no more daylight. The "a war" was actually World War Two. Britain introduced what in fact we now call British Summer Time to help farmers particularly by making better use of the available daylight, but the belief grew that it made it harder for the Luftwaffe to bomb British cities. It didn't of course because the numbers of hours of light and dark do not change, only our clock reference with respect to longitude-determined solar noon. The bombers needed only to re-schedule their raids. Similarly with land and sea action - the effect of day or night on fighting was down to lengths of either, NOT to clock time.

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Its only practical use is in moving the working day so we can use the evenings more effectively, but it comes with a cost especially the further North you live. Each time the clock is moved forwards or backwards, our bodies' internal natural clocks are temporarily put out of sync with the daylight they need for normal calibration, and the clock changes are marked by a short spike in traffic and other accidents, and in heart attacks and strokes. Effectively we all suffer from something akin to "jet lag". Night-shift workers are similarly but more seriously affected.

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A peculiar myth common in Britain is that each change from GMT to BST or back gains or loses an hour in bed. It doesn't really, unless perhaps you change the clocks before going to bed, then set the alarm. If you let your body decide correctly, it will sleep and wake nocturnally and as and when physiology decides, but most of us now live to very artificial day/night arhythms that taken to sleep-deprivation extremes (common particularly among young people fixated on the Internet) are bad for us! The change is always set officially at 2am on a Sunday morning to cause the least disruption, but it's up to individuals to decide when they change their own time-pieces.

How much money are the 2007 changes in Daylight Saving Time costing Americans?

The 2007 changes in Daylight Saving Time are estimated to cost Americans around $434 million due to increased energy consumption and potential disruptions in transportation schedules, communication systems, and information technology.

What does Daylight Saving Time have to do with smoke detectors?

Fire safety officials encourage people to use the two annual clock shifts as a reminder to check the batteries in smoke and carbon monoxide detectors. This is especially important in fall, just before the heating,candle, and fireplace season causes an increase in home fires.

Does Daylight Saving Time change the name of standard time zones?

DST and Time ZonesYes, time zone names typically change when DST is observed.

American English replaces "standard time" with "daylight time": for example, Pacific Standard Time (PST) becomes Pacific Daylight Time (PDT).

The timezones themselves don't change ... The Pacific Timezone, for example, remains even when the clocks there are at PST+1.

The name "Summer Time" is far more popular around the world than the name "Daylight Saving Time" for the semiannual clock adjustments. Countries that use that name add the word "Summer" before the word "Time" to differentiate between their two time offsets. For example, Central European Time (UTC+1) becomes Central European Summer Time (UTC+2), and Brasilia Time (UTC-3) becomes Brasilia Summer Time (UTC-2).

What was the first country to officially institute Daylight Saving Time?

Daylight Saving Time, which is more commonly known as Summer Time in most of the world, is observed in the following places:

North America (including Greenland, Central America and the Caribbean Sea):

  • most of Canada (mid-March to early November since 2007)
  • Cuba (mid-March to early November since 2013)
  • most of Greenland (mostly late March to late October since 1996)
  • Haiti (mid-March to early November since 2012)
  • most of Mexico (mostly early April to late October since 2002)
  • Saint-Pierre and Miquelon (France) (mid-March to early November since 2007)
  • the Turks and Caicos Islands (U.K.) (mid-March to early November since 2007)
  • most of the United States (mid-March to early November since 2007)

South America:

  • about half of Brazil (mid-October to mid-February since 2007)
  • Chile (early September to late April since 2012)
  • Paraguay (early October to late March since 2013)
  • Uruguay (early October to mid-March since 2006)

Atlantic Ocean:

  • the Azores (late March to late October since 1996)
  • the Bahamas (mid-March to early November since 2007)
  • Bermuda (mid-March to early November since 2007)
  • the Canary Islands (late March to late October since 1996)
  • the Madeira Islands (late March to late October since 1996)

Europe: everywhere EXCEPT Russia, Georgia, Belarus and Iceland

(late March to late October since 1997)

Africa:

  • Libya (late March to late October since 2013)
  • Morocco (late April to late September except Ramadan since 2012)
  • Namibia (early September to early April since 1994)

Indian Ocean: none

Asia (including the Middle East):

  • Azerbaijan (late March to late October since 1996)
  • Cyprus (late March to late October since 1998)
  • Iran (mid-March to mid-September since 1992)
  • Israel (late March to late October since 2013)
  • Jordan (late March to late October since 2013)
  • Lebanon (late March to late October since 1999)
  • the Palestinian Territories (late March to late September since 2012)
  • Syria (late March to late October since 2012)
  • Turkey (late March to late October since 1996)

Australia (early October to early April since 2008):

  • South Australia
  • New South Wales
  • Victoria
  • the Capital Territory
  • Tasmania
  • Lord Howe Island *

Pacific Ocean:

  • New Zealand, including the Chatham Islands (late September to early April since 2007)
  • Samoa (late September to early April since 2012)
  • Fiji (mid-October to mid-January since 2012)
  • Easter Island (early September to late April since 2012)
  • Clarion Island (early April to late October since 2002)

Places where the government has opted to stay on their Summer Time offset year-'round (including Russia and the Falkland Islands) were not included here.

Some of the science stations in Antarctica adjust for Summer Time every year, not because there is any real benefit in the practice that close to one of the poles, but to stay in sync with their suppliers. Two such stations that I know of are New Zealand's McMurdo Station, which follows New Zealand's Summer Time schedule, and the United States' Palmer Station, which follows Chile's Summer Time schedule.

In almost all of the places where Summer Time is observed, clocks are advanced one hour in the spring or late winter and turned back one hour in the fall or late summer WITH TWO EXCEPTIONS:

* The clocks on Lord Howe Island are advanced a half hour for Summer Time. Although there have been other places with unique Summer Time offsets, including 20 minutes and 2 hours, Lord Howe Island is the only place that is using a Summer Time offset other than one hour currently.

The clocks in Morocco are being adjusted four times per year instead of twice. In addition to the spring and fall adjustments, Summer Time is suspended during the Muslim holy month of Ramadan.

Why are computer problems caused by the changes in Daylight Saving Time?

The change to Daylight Saving Time should not cause any problems with your computer, although if you don't have your settings set to adjust for DST, you will have to manually reset the time. You can set your computer to automatically adjust to DST by double-clicking on the time in the lower right-hand corner of your screen, selecting "Time Zone" and checking "automatically adjust clock...." in the window that appears.

Which law or regulation is responsible for the 2007 change in Daylight Saving Time?

The law is the Energy Policy Act of 2005. Some believe they should have left well enough alone because this has caused many more problems than they anticipated. Example: Some machines such as MRIs, etc., have to be regulated and this will cause a few days lost which is extremely important to the ever-growing waiting list for patients. Others believe it is a good change because the amount of energy saved by the change is a suprisingly significant amount. If the environment and reducing our dependance on foreign oil is important to you than this change may be worth the initial headaches.

How do you set clock on 1991 Dodge Caravan?

the clock on my 1996 Dodge Intrepid has an H and M on the right top. Use a pen or paperclip after turning the key until the power comes on, but before ignition. H changes hours and M changes minutes.

How do you change the clock on a 1995 Geo Metro?

In my 1995 Metro there is no clock, other than the one that is in the stereo. If the stereo is bad, just replace it. You will need a new stereo, a wiring harness if you don't want to hack up the old factory harness, and a install kit to make the stereo fit in the hole if the old stereo is factory. Then just follow instructions included with these parts.

Can I go back in time?

no you can't.

but in the future you can. we already have the knowledge that if you go faster than the speed of light than you will go back in time. Better get those old rockets out of the garage!

-Mack

How do you change the clock on an HP Officejet 5510 All-In-One?

Install the HP Director software... http://h10025.www1.hp.com/ewfrf/wc/softwareCategory?product=311255&lc=en&cc=us&dlc=en?=en&cc=us Normally the computer software sets the date and time automatically. http://h10032.www1.hp.com/ctg/Manual/bpu72474.pdf page 50-51 set the date and time You can set the date and time from the front panel. When a fax is transmitted, the current date and time are printed along with the fax header. The date and time format is based upon the language and country/region setting. Normally the computer software sets the date and time automatically. Note: If your HP Officejet loses power for more than 72 hours, you will need to reset the date and time. 1 Press Setup. 2 Press 3, then press 1. This selects Basic Fax Setup and then selects Date and Time. 3 Enter the month, day, and year (last two digits only) by pressing the appropriate number on the keypad. Depending on your country/region setting, you might enter the date in a different order. The underline cursor presented initially beneath the first digit advances automatically to each digit each time you press a button. The time prompt automatically appears after you enter the last digit of the date. 4 Enter the hours and minutes. The AM/PM prompt automatically appears after the last digit of the time is entered if your time is displayed in the 12-hour format. 5 If prompted, press 1 for AM or 2 for PM. The new date and time settings appear on the front panel. reference guide use the fax features 51 fax set the paper size You can select the paper size for received faxes. The paper size selected should match what is loaded in your input tray. Faxes can be printed on letter, A4, or legal paper only. Note: If an incorrect paper size is loaded in the input tray when a fax is received, the fax will not print. Load letter, A4, or legal paper, and then press OK to print the fax. 1 Press Setup. 2 Press 3, then press 5. This selects Basic Fax Setup and then Fax Paper Size. 3 Press to highlight an option, and then press OK.

How do you set the clock in a 2001 Chevy Silverado 2500 HD?

Everyone should have a manual for their vehicle, and the library should have a professional shop manual available, for FREE, in the reference section(make copies of the correct sections) read up and fix it like a PRO! :) good luck-Dave

When did the time limit for a chapter 7 bankruptcy change from 8 years to 10 years and is a bankruptcy petitioner protected by a grandfather clause if they filed before the change?

The length of time a discharged 7 or 13 bankruptcy can remain on a credit report has always been 10 years. A dismissed chapter 13 remains for 7 years a dismissed chapter 7 remains for 10 years. Therefore, no type of clause applies because the requirement has never changed. Bankruptcy laws and credit reporting laws are two entirely different issues.

How do you set the clock on a 1999 Ford Mustang?

With the car turned off, hold down the RCL button.

While holding down the RCL button use either the AUTO/TONE or TUNE/SEEK button to change the time depending on the model of your radio. The left side will change the hours... the right will change the minutes.

How do you change the time on the clock on a 2005 Malibu Classic Our manual is missing?

Set clock on 05 Malibu classicPress and hold RCL/Tune button for 15 seconds then press and hold the left side of the seek button. The hour indicator will begin to change. When at the proper hour release and use other side of button to set the minutes.

Why is there Daylight Saving Time?

Benjamin Franklin first suggested Daylight Saving Time in 1784, but modern DST was not proposed until 1895 when an entomologist from New Zealand, George Vernon Hudson, presented a proposal for a two-hour daylight saving shift to the Wellington Philosophical Society.

The conception of DST was mainly credited to an English builder, William Willett in 1905, when he presented the idea to advance the clock during the summer months. His proposal was published two years later and introduced to the House of Commons in February 1908. The first Daylight Saving Bill was examined by a select committee but was never made into a law. It wasn't until World War I, in 1916, that DST was adopted and implemented by several countries in Europe who initially rejected the idea.

Why There Is DST

It is believed that Daylight Saving Time was implemented a long time ago to give farmers more "sunlight" time to farm in relation to routine working hours of those other industries which must work in with farmers but also need to tailor their schedules to best fit the needs of consumers and other businesses.

The History...

In more recent times, DST was implemented in 1918 to save fuel and electricity (energy) but during World War I was repealed in 1919. DST was reinstated during World War II also as a method to save energy. In 1973 it was officially established for use in the winter season, for the same purpose, a fuel/energy saving measure.

It has also been shown in studies that traffic accidents are reduced by a substantial amount by making the adjustment for Daylight Saving Time. Increased accidents in the morning are far outweighed by the reduction of accidents in the evening. DST is an outdated practice that doesn't save anything and even increases the rate of heart attacks and accidents. www.standardtime.com

Additional Reasons For Daylight Saving Time

  • Daylight saving time is meant to save energy specifically electric power. There is more human activity in the early evening than in the early morning. By shifting the time such that it gets dark later, people will use less electric lighting and this saves electricity. During WW2, the USA instituted double daylight saving time (2 hours ahead) during the summer months. We go off daylight saving time during the winter months because it is not prudent to have all the children going to school in the dark.
  • Japan doesn't do it. When i was there it got light at 5:00 AM and was dark at 6:00 PM. I was told the government there wants people to work more and not play as much.
  • Daylights saving time used to saves time and light. Daylight saving time was started to save energy.Today in our global 24/7 global society it doesn't save anything. It shifts our experience of daylight and it has no effect at all on the actual passage of time or the actual length of daylight. But it would be strange if we called it Daylight Shifting Time, wouldn't it?
  • The basis for daylight savings time is that it provides energy savings and extra time for family activities. Many see it as the equivalent to cutting off the bottom of your blanket and sewing it to the top if the blanket is too short for your bed. The recent double daylight time makes matters even worse with many drawbacks.
  • Studies in many jurisdictions indicate that energy savings due to DST are non-existent, people have to turn on their light in the morning to see to get ready for work (instead of at night) ad most activities in our society (offices etc.) are clock based not sun based, family activities do not increase - kids have to be in bed for school and parents for work regardless of where the sun is, farmers don;t care, they are up with the sun (not the clock) and work until sundown, in areas north of the southern states the sun isn't up until 8:00 in the fall under DST so kids are going to school in the dark, the change from DST to sun time provides two periods in the morning and evening in the spring and fall where the sun gets in your eyes on the way to and from work.

Your 2002 Jetta's Battery Light came on for a brief time after starting but went off after a short time What does this mean or what should you check?

All "check" lights come on briefly when starting your engine. This is to make sure the light is working if soemthing does malfunction on your vehicle. If the light comes on while driving you may have broken or loose belts.

Why would the clock change time whenever the ignition is turned off?

Defective clock or it is wired incorrectly. Should be wired to have power when ignition is turned off. it sounds to me that the constant live has been lost to the clock, there are three wires to a vehicle clock, an earth, an ignition live and a constant live

What can you do it the driver power seat control in 1997 Ford Mustang won't go back but it will go up and down and obviously forward that's how it got stuck all the way forward?

replace seat switch Most of the time its the little worm gear that went bad not the switch (the gear is slipping on the fixed bracket) I pushed back on the seat real hard and hit the switch and Mine went back finally, the track/motor assembly will have to be replaced(250 from Ford) Very Common problem

How do you change a VW Beetle clock time from 24 hr to 12 hr?

When your car is off, press both the hour and minute buttons at the same time. Hold them until the clock switches from 24 hour to 12 hour. By doing this with the engine off, you keep the temperature reading in Fahrenheit.

How does one set the clock for a '94 Chevy Lumina?

To set the clock on a '94 Chevy Lumina, you typically need to press and hold the "clock" button on the radio until the time display starts blinking. Then, use the "seek" or "tune" buttons to adjust the hours and minutes. Once you have set the correct time, press the "clock" button again to lock it in place.

Does the sun set at the same time?

No, they are not quite the same thing.

The dawn is when the sky begins to lighten, sunrise is when the Sun "peeks" over the horizon.

Dawn is the beginning of twilight before sunrise.

Sunrise is defined as when the first part of the Sun's disc appears.

How do you calculate the average hours of daylight in a given city?

To calculate the average hours of daylight in a given city, you would typically take the total hours of daylight for each day over a specific time period (like a month or a year) and then divide by the number of days in that period. This would give you the average hours of daylight for that time frame in that city.

How many hour of daylight in north Norway in April?

On April 1, in Tromso, Norway:

Sun and Moon Data for One DayThe following information is provided for Tromso (longitude E19.0, latitude N69.5):

Tuesday 1 April 2014 Universal Time + 1h

SUN

Begin civil twilight 03:46

Sunrise 04:50

Sun transit 11:48

Sunset 18:49

End civil twilight 19:53

So, about 14 hours of sunlight. Which seems right; on the equinox, on March 21, every place in the world (except the poles themselves) get 12 hours of sunlight. April1 is only ten days later.

Now jump to the end of the month and see the changes!

Wednesday 30 April 2014 Universal Time + 1h SUNSunrise 02:29 Sun transit 11:41 Sunset 20:58

NO twilight entries; twilight doesn't end and the sky never gets dark. In Russia, they would call this the "white nights". There are 5.5 hours of "white night", with 18.5 hours of daylight.

Go forward another 17 days. On May 17, the Sun rises at 0029 and sets

23 hours later at 2306.

On May 18, the Sun rises at 0013, and sets again ...... 69 DAYS later,

at 2320 on July 25.