time zone  definition
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3. What are Time Zones? Time Zones are a geographical world globe division of 15 o each, starting at Greenwich, in England, created to help people know what time is it now in another part of the world.
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- UTC is used to calculate the times in individual time zones worldwide. To determine the local time of a time zone, hours are either added or subtracted from the UTC. For example, Pacific Standard Time subtracts eight hours from UTC. So if UTC is currently 11:25 a.m., PST is 3:25 a.m.
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universal time (UT) The mean solar time along the prime meridian (0 longitude) that runs through the Greenwich Observatory outside of London, UK, where the current system originated. UT is tied to the rotation of the Earth in respect to the fictitious mean Sun.
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Time & Zone Converter Time & Zone Converter. Time and Zone is a simple timezone converter that lets you check the corresponding time anywhere in the world. Simply enter a location in the bottom right box and you will see the calculated time above it. You can also edit any of the pre-set times or locations - all the other values will update accordingly. You also can convert time by searching by specific time zones. Just select Zones button and follow the same process as before.
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Current Pacific Time The Pacific Time Zone refers to a time zone which observes standard time by subtracting eight hours from Greenwich Mean Time (UTC/GMT -8). Time in this zone is based on the mean solar time of the 120th meridian west of the Greenwich Observatory.
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- Convert time between two zones and find out the time difference. A timezone is a region of the earth that has uniform standard time. It is usually referred as the local time. A Place for the reference of International airports location, date and time.
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Understanding Time Zones Time zones are based on the fact that the Earth moves 15 degrees longitude each hour. Since there are 24 hours in a day there are 24 standard time zones. (24 hours x 15º=360º). Time zones are counted from the Prime Meridian (0º longitude). Each time zone is counted at 15 º intervals and extends 7½º either side of a central meridian.
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Coordinated Universal Time Time zones around the world are expressed using positive or negative offsets from UTC, as in the list of time zones by UTC offset. The westernmost time zone uses UTC−12, being twelve hours behind UTC; the easternmost time zone, theoretically, uses UTC+12, being twelve hours ahead of UTC. In 1995, the island nation of Kiribati moved those of its atolls in the Line Islands from UTC-10 to UTC+14 so that the country would all be on the same day.
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Atlantic Time Zone The Atlantic Time Zone is a geographical region that keeps standard time—called Atlantic Standard Time (AST)—by subtracting four hours from Coordinated Universal Time (UTC), resulting in UTC-4; during part of the year some parts of it observe daylight saving time by instead subtracting only three hours (UTC-3).
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TimeZone Time_zone. Specifies the time zone of the computer. Time_zone is a string that has a maximum length of 256 characters. If the time zone is not specified, Windows creates a default time zone value that is based on the installed language and region that are specified in an answer file.
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- World map of current time zones. Coordinated Universal Time (French: Temps universel coordonné), abbreviated to UTC, is the primary time standard by which the world regulates clocks and time. It is within about 1 second of mean solar time at 0° longitude; it does not observe daylight saving time.
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time frame time frame. or time·frame (tīm′frām′) n. A period during which something takes place or is projected to occur. time frame. n. 1. the period of time within which certain events are scheduled to occur.
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time zone time zone. n. Any of the roughly longitudinal divisions of the earth's surface in which a standard time is kept, the primary division being that bisected by the Prime Meridian. A typical time zone averages 15° of longitude in width and observes a clock time one hour earlier than the zone immediately to the east.
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Central Time Zone The Central Time Zone subtracts six hours from UTC during standard time (UTC−6) and five hours during daylight saving time (UTC−5). This time zone is called Central Standard Time (CST) during standard time (Winter). It is called Central Daylight Time (CDT) during daylight saving time (Summer). In the United States and Canada, this time zone is often just called Central Time (CT). The zone is one hour ahead of the Mountain Time Zone and one hour behind the Eastern Time Zone.
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4 Datetime Datatypes and Time Zone Support TIMESTAMP WITH LOCAL TIME ZONE Datatype. TIMESTAMP WITH LOCAL TIME ZONE is another variant of TIMESTAMP. It differs from TIMESTAMP WITH TIME ZONE as follows: data stored in the database is normalized to the database time zone, and the time zone offset is not stored as part of the column data.
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Time in the United States Zones outside the states. 1  The Atlantic standard time zone: (AST; UTC−04:00; Zone Q), which comprises Puerto Rico and the U.S. Virgin Islands. 2  The Samoa standard time zone (SST; UTC−11:00; Zone X), which comprises American Samoa. 3  The Chamorro standard time zone: (ChST; UTC+10:00; Zone K), which comprises Guam and the Northern Mariana Islands.
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Acronyms &Abbreviations Noun. 1. Mountain Standard Time-standard time in the 7th time zone west of Greenwich, reckoned at the 105th meridian west; used in the mountain states of the United States. Mountain Time, MST.
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- The Department of Transportation is responsible for time zone boundaries, which are also defined in the Code of Federal Regulations, Title 49, Subtitle A, Part 71 - Standard Time Zone Boundaries. The World Time Zone Map outlines all of the time zones.
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TimeZone Specifies the time zone for the computer. Timezone is a string with a maximum length of 256 characters. New time zones may appear in future releases. If you need to add support for a new time zone, enter the exact time zone string. Set the TimeZone to one of the values in the first column of the Time Zone table, for example, Central Asia Standard Time. This string type supports empty elements.
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Time zone A time zone is a region that observes a uniform standard time for legal, commercial, and social purposes. Time zones tend to follow the boundaries of countries and their subdivisions because it is convenient for areas in close commercial or other communication to keep the same time.
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Time Zone Abbreviations The time zone abbreviation for Coordinated Universal Time is (UTC) and the time zone abbreviation for Greenwich Mean Time is (GMT). The (-8h) in PST or Pacific Standard Time refers to that time zone being eight hours behind UTC or GMT and so forth for the other Time Zones. Time Zone Abbreviations by Continent or Region.
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Time standard From Wikipedia, the free encyclopedia. A time standard is a specification for measuring time: either the rate at which time passes; or points in time; or both. In modern times, several time specifications have been officially recognized as standards, where formerly they were matters of custom and practice. An example of a kind of time standard can be a time scale, specifying a method for measuring divisions of time.
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Comcast Corporate Office Time and Zone is a simple timezone converter that lets you check what time it is, was or will be in any country or city around the world. Simply start typing the name of your chosen location(s) in any of the boxes in the second row, and if you want to, edit the pre-set time(s).
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Eastern Standard Time (EST) The Eastern Standard Time, abbreviated EST, refers to the standard time on the 5th time zone west of the Greenwich Meridian. This time zone is reckoned 75 degrees west of the Greenwich and it encompasses most of the eastern parts of the United States.
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4 Datetime Datatypes and Time Zone Support TIMESTAMP WITH TIME ZONE is a variant of TIMESTAMP that includes a time zone offset or time zone region name in its value. The time zone offset is the difference (in hours and minutes) between local time and UTC (Coordinated Universal Time, formerly Greenwich Mean Time).
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- Earth is split up into a number of time zones. Most time zones are exactly one hour apart, and by convention compute their local time as an offset from UTC or GMT.