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Topic: Eastern Standard Time Zone


Related Topics
EDT
UTC
GMT

  
  U.S. Time Zones   (Site not responding. Last check: 2007-10-20)
Standard time within each time zone is an integral number of hours offset from a time scale called Universal Time, Coordinated (abbreviated UTC), maintained by a large number of very precise "atomic clocks" at laboratories around the world, including the U.S. Naval Observatory.
History of Standard Time in the U.S. Standard time in time zones was instituted in the U.S. and Canada by the railroads on 18 November 1883.
Standard time in time zones was not established in U.S. law until the Act of March 19, 1918, sometimes called the Standard Time Act.
aa.usno.navy.mil /faq/docs/us_tzones.html   (665 words)

  
 Time Zones in Indiana
Eastern Standard time zone all year round (never moving its clocks forward or back), portions of Indiana are in the Central Time zone and a few southeastern counties unofficially observe Eastern Daylight time during the summer months.
Counties on Central Time are one hour BEHIND the rest of Indiana during the winter and on the "same time" during the summer months with all Indiana counties except those in southeastern Indiana.
Although standard time in time zones was instituted in the U.S. and Canada by the railroads in 1883, it was not established in U.S. law until the Act of March 19, 1918, sometimes called the Standard Time Act.
www.ibrc.indiana.edu /indiana_time.htm   (500 words)

  
 Time Ontology in OWL
We have been referring to time zones, but in fact it is more convenient to work in terms of what we might call the "time standard" that is used in a time zone.
For each time standard, there is a zone, or geographical region, and a time of the year in which it is used for describing local times.
We have developed a time zone resource [9] in OWL for not only the US but also the entire world, including three parts: the time zone ontology file [10], the US time zone instance file [11], and the world time zone instance file [12].
www.isi.edu /~pan/SWBP/time-ontology-note/time-ontology-note.html   (3452 words)

  
 What Time is it in Indiana?
Indianapolis (central), Fort Wayne (and the northeast), Richmond (the east) and the southeast Ohio River counties anchored the Eastern time zone in Indiana.
Currently, 82 Indiana counties are in the Eastern time zone, and 10 counties in northwestern and southwestern Indiana are in the Central time zone.
10 counties in northwestern and southwestern Indiana are in the Central time zone and observe daylight time.
www.mccsc.edu /time.html   (3866 words)

  
 Standard Time around the World
Standard time was fixed in 1883 to prevent the myriad of short time differences that would result if every locality determined the mean solar time by different meridians, depending on the longitude of the particular place.
Alaska Standard Time is determined by the meridian at 135° west of Greenwich and Hawaii-Aleutian Standard Time is set at the 150° meridian.
The time in each zone is one hour earlier than in the zone to its east and one hour later than in the zone to its west.
www.circ.uab.edu /nypldr/1time/standard.htm   (363 words)

  
 ENQUIRERWORLD.COM: Time Zones
Time zones are areas of the Earth that have adopted the same standard time, usually referred to as the local time.
Time zones were first proposed for the entire world by Canada's Sir Sandford Fleming in 1876 as an appendage to the single 24-hour clock he proposed for the entire world (located at the center of the Earth and not linked to any surface meridian!).
Nepal's time zone of UTC + 5:45 was adopted in 1986 [5].
www.enquirerworld.com /zones.html   (3036 words)

  
 Time Zone Resource in OWL
Where and when a time standard is used have to be axiomatized, and this involves interrelating a time ontology and a geographical ontology.
We have developed a time zone resource [5] in OWL for not only the US but also the entire world, including three parts: the time zone ontology file [6], the US time zone instance file [7], and the world time zone instance file [8].
West Wendover, which is in the Mountain time zone, is an exception in Nevada, which is otherwise in the Pacific time zone.
www.isi.edu /~pan/SWBP/time-zone-note/time-zone-note.html   (2243 words)

  
 Time Keeping Schemes
The concept of international time zones was officially adopted in November 1884 at the International Meridian Conference in Washington DC.
Time zones to the east of the Prime Meridian experience later time than that at the Prime Meridian, whereas time zones to the west of the Prime Meridian experiences earlier time than at the Prime Meridian.
The time given on all weather maps is given as Z-time, the time it is at the Prime Meridian.
www.as.ysu.edu /~wbuckler/Weather/Readings/z_time_on_weather_maps.htm   (962 words)

  
 North American Eastern Time Zone - Wikipedia, the free encyclopedia
The Eastern Time Zone (ET) of the Western Hemisphere falls mostly along the east coast of Northern America and the west coast of South America.
The clock time in this zone is based on the mean solar time of the 75th degree meridian west of the Greenwich Observatory.
Most Eastern Caribbean states are in the UTC-4 timezone, which is known in North America as the Atlantic Time Zone and is the equivalent of EDT and one hour ahead of EST.
en.wikipedia.org /wiki/North_American_Eastern_Standard_Time_Zone   (482 words)

  
 ENQUIRERWORLD.COM: Time Zones - Central Standard
The North American Eastern Standard Time Zone is a geographic region that keeps time by subtracting five hours from Coordinated Universal Time...
The Central Standard Time Zone (CST) is a geographic region in the Americas that keeps time by subtracting six hours from UTC...
PST(UTC-8) changes to PDT, UTC-7 at 02:00 LST (local standard time) to 03:00 LDT (local daylight time) on the first Sunday in April, and returns at 02:00 LDT to 01:00 LST on the last Sunday in October.
www.enquirerworld.com /zones/utc8.html   (316 words)

  
 Time Ontology in OWL
In the appendix we also describe a time zone resource in OWL we developed for not only the US but also the entire world, including the time zone ontology, the US time zone instances, and the world time zone instances.
In an extension of the time ontology [5,9], we also allow temporal predicates to apply directly to events, should the user wish, but here we restrict our treatment to temporal entities.
Days, weeks, months and years are also relative to the time zone, since, e.g., 2006 began in the Eastern Standard time zone three hours before it began in the Pacific Standard time zone.
www.w3.org /TR/owl-time   (5262 words)

  
 Lecture: Time and the Geographic Grid, Dr. Rodrigue
The idea behind standard time is that everyone in a standard time zone agrees to keep the WRONG time but the SAME time for safety and convenience.
Standard Time is wonderful: It promotes safety and convenience by getting everyone in a region to agree to keep the wrong time but the same time.
Also, if a state includes more than one time zone, its legislature is free to allow the part in one time zone not to participate, while voting that the other part has to participate.
www.csulb.edu /~rodrigue/geog140/lectures/time.html   (3515 words)

  
 NASA - Time Zones and Universal Time
Universal Time or UT is the precise measure of time used as the basis for all civil time-keeping.
If Daylight Saving Time is in effect in the time zone, you must ADD one hour to the above standard times.
Time zones for countries around the world can be determined with a special Time Zone Map courtesy of the HM Nautical Almanac Office, Royal Greenwich Observatory.
sunearth.gsfc.nasa.gov /eclipse/SEhelp/TimeZone.html   (589 words)

  
 International standard date and time notation
A single leap second 23:59:60 is inserted into the UTC time scale every few years as announced by the International Earth Rotation Service in Paris, to keep UTC from wandering away more than 0.9 s from the less constant astronomical time scale UT1, which is defined by the actual rotation of the earth.
In case an unambiguous representation of time is required, 00:00 is usually the preferred notation for midnight and not 24:00.
Please consider the 12h time to be a relic from the dark ages when Roman numerals were used, the number zero had not yet been invented and analog clocks were the only known form of displaying a time.
www.cl.cam.ac.uk /~mgk25/iso-time.html   (2932 words)

  
 Time of day   (Site not responding. Last check: 2007-10-20)
The inner circle gives "mean solar time", the time given by a clock that runs at a uniform rate.
Since the time from transit to transit is not uniform, the mean solar time of transit varies in an irregular way from 17 minutes before mean solar noon (in late October) to 14 minutes after (in early February).
This annual variation is due both to the tilt of the earth's spin axis with respect to its orbital plane (23.5 degrees) and to the eccentricity of its orbit (1.7 percent).
www.calvin.edu /academic/phys/planetarium/planet05.html   (463 words)

  
 Caribbean Time Zones | caribbean-guide.info
Time zones vary among the islands of the Caribbean
The islands that comprise the Caribbean are in several different time zones, and making the most of your vacation means keeping track of time.
Most islands in the Caribbean lie in the Atlantic Standard Time but a few are in the Eastern Standard Time zone.
caribbean-guide.info /travel.basics/time.zones   (129 words)

  
 SitNews - Chemical Eye on a Time Warp by Preston MacDougall   (Site not responding. Last check: 2007-10-20)
That's because, while they are separated by only 45 miles, few of them straight or horizontal, Chattanooga is at the western edge of the Eastern Standard Time zone, and Monteagle is at the eastern edge of the Central Standard Time zone.
This artificial seam in the world's standardized time zones ultimately arises from the fact that clocks and calendars keep track of two very different things.
By international agreement, the second is defined as the time it takes a cesium-133 atom, at absolute zero temperature, to oscillate between its two lowest electronic states nine billion, one hundred and ninety-two million, six-hundred and thirty-one thousand, seven-hundred and seventy times.
www.sitnews.us /MacDougall/052605_macdougall.html   (844 words)

  
 Time Zone Activity
Divide your map into eight time zones, being accurate based on the website divisions of Russia.
Petersburg and Moscow should both be in the first time zone.
This zone is eight hours ahead in time of the Eastern Standard Time zone, where Raleigh, NC is located.
www.ncsu.edu /chass/extension/russia/timezone2.html   (207 words)

  
 →    Current time in Harbour Island
Latitude is 25° 30’ N. Longitude is 76° 38’ W. Located in Eastern Standard Time zone.
Standard Time difference compared to UTC/GMT is -5 hours.
The rest of the year is on Standard Time.
www.timegenie.com /city.time/bshbi   (194 words)

  
 Doxpop and Daylight Saving Time   (Site not responding. Last check: 2007-10-20)
The Doxpop system has always presented event times in the local time zone of the court for which the event is scheduled.
In the near future, we will begin appending the time zone abbreviation after all times to aid in keeping track of the time zones spanned by the Doxpop Court Information Network.
Events for courts that move to the Central Standard Time zone on April 2, 2006 will be off by one hour due to the fact that these programs are based on UCT rather than local times.
www.doxpop.com /prod/dst.html   (246 words)

  
 ET: Eastern Time (USA & Canada).  What is the time now in EST / EDT? (via CobWeb/3.1 planetlab2.cs.unc.edu)   (Site not responding. Last check: 2007-10-20)
Eastern Standard Time (EST) is 5 hours behind Greenwich Mean Time (GMT-5).
During DST the time is shifted forward by 1 hour to EDT; which is 4 hours behind Greenwich Mean Time (GMT-4).
After the Summer months Eastern Time is shifted back by 1 hour to US Eastern Standard Time (EST) or (GMT-5).
wwp.eastern-time.net.cob-web.org:8888   (281 words)

  
 Coordinators Handbook
While the majority of the state (geographically speaking) is in the Eastern Standard time zone all year round (never moving its clocks forward or back), portions of Indiana are in the Central Time zone, and a few southeastern counties unofficially observe Eastern Daylight time during the summer months.
Bottom line: Counties on Central Time are one hour BEHIND the rest of Indiana during the winter and on the “same time during the summer months with all Indiana counties except those in southeastern Indiana.”
In Indiana, there are three time zones observed during summer (although 87 of 92 counties actually have the same clock time) and two time zones in winter (when 82 counties out of 92 are on the same time).
www.icn.org /learning_centers/handbook/resources/35timezones.html   (477 words)

  
 Properly set a Cisco router's clock and time zone - Network Admin - Insight - ZDNet Asia
While proper time configuration isn't necessary for a router to fully operate, that doesn't mean you shouldn't set the right time.
When setting a router's (or switch's) correct time, the first step is configuring the proper time zone.
This is the first step for a reason: If you set the time first and then try to set to the time zone, you'll have to reset the time again.
www.zdnetasia.com /insight/network/0,39044847,61968576,00.htm   (705 words)

  
 DD Countdown Script II - Eastern Time Zone? - Dynamic Drive Forums
As is, that will return the time left until the time of your event as if it were occurring locally for the user.
Local time of the user may be daylight or not depending upon convention in his/her zone.
And since, as I said, UTC time never varies, it makes no difference what the current Eastern time is, only what it will be when the event occurs.
www.dynamicdrive.com /forums/showthread.php?t=2138   (1011 words)

  
 Canada Time Zone
From east to west they are Newfoundland Time Zone, Atlantic Time Zone, Eastern Time, Central Time Zone, Mountain Time Zone, and the Pacific Time Zone.
Daylight Saving Time will begin three weeks earlier on the second Sunday in March and end on the first Sunday in November.
Note: UTC = Coordinated Universal Time (modern Greenwich -GMT- reference time.) The (-5h) in Eastern Standard Time refers to that time zone being five hours behind UTC or GMT and so forth for the other Time Zones.
www.timetemperature.com /tzca/canada_time_zone.shtml   (221 words)

  
 Current local time in New York - New York - U.S.A.
UTC is Coordinated Universal Time, GMT is Greenwich Mean Time.
Time Zone Converter - Convert time between two time zones.
Fixed time clock - convert between many time zones - in past or future
www.timeanddate.com /worldclock/city.html?n=179   (269 words)

  
 Eastern Standard Time - Wikipedia, the free encyclopedia
There are three time zones known as Eastern Standard Time.
the Brazilian Eastern time zone at UTC-3, and
the North American Eastern Time Zone at UTC-5.
en.wikipedia.org /wiki/Eastern_Standard_Time   (103 words)

  
 Computing Local Noon
This time can be quite different from 12:00 noon on the clock, which is "Standard" time.
Compute your "standard meridian" (the longitude of the center of your time zone): difference in hours between your time and "Universal time" (Greenwich or Zulu time) times 15 (for example, the US Central time zone is six hours different, times 15 means that the "standard meridian" for the Central Time Zone is 90 degrees).
Here is a Mac Microsoft Works 4.0 spreadsheet file that will do these computations - you just enter your longitude and time zone, and the spreadsheet does all the arithmetic for you.
www.ed.uiuc.edu /noon-project/noontime.html   (426 words)

  
 Story Problems   (Site not responding. Last check: 2007-10-20)
Pacific Time is three hours behind Eastern Standard Time.
Cleveland, Ohio is in the Eastern Standard Time zone.
Los Angeles, California is in the Pacific Time Zone.
www.westlake.k12.oh.us /bartos/Students/story_problems.htm   (103 words)

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