time zone


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time zone:

see standard timestandard time,
civil time used within a given time zone. The earth is divided into 24 time zones, each of which is about 15° of longitude wide and corresponds to one hour of time. Within a zone all civil clocks are set to the same local solar time.
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time zone

See standard time.

time zone

[′tīm ‚zōn]
(astronomy)
To avoid the inconvenience of the continuous change of mean solar time with longitude, the earth is divided into 24 time zones, each about 15° wide and centered on standard longitudes, 0°, 15°, 30°, and so on; within each zone the time kept is the mean solar time of the standard meridian.

time zone

time zoneclick for a larger image
The time, kept in sea areas, in a 15° zone of longitude, with the central (standard) meridian of each zone 15° or multiples of 15° removed from the Greenwich Meridian. The time of successive zones differs by one hour. Each time zone is allotted a letter, increasing from A to Z but without letters I and O. Almost all countries follow the times as per zones, but a few countries use a differential that is a half hour instead of a full hour. For example, the time zone for India is Echo-Foxtrot (—5½), which means that Indian Standard Time is 5½ h behind Greenwich Mean Time. The time zone at Greenwich is Zulu. See also zone time.

time zone

a region throughout which the same standard time is used. There are 24 time zones in the world, demarcated approximately by meridians at 15° intervals, an hour apart

time zone

One of approximately 24 longitudinal divisions of the globe, nominally 15 degrees wide, in which clocks show the same time. Some zones follow the boundaries of states or territories, others differ from neighbouring zones by more or less than one hour.

Computers can be programmed to take into account the time zone each user is working in, which is not necessarily the same as the zone the computer is in.

See also TZ.
References in periodicals archive ?
The above cartogram shows time zones from the perspective of an equal-population projection--a gridded population visualisation where each small area is proportional to the population living there The map highlights how these geopolitical considerations have an effect on the impact that time has on people and the functioning of the world Globalisation is far from having resulted in a compression of space and time On the contrary, time defines our contemporary world because it has put a new meaning to the spaces of humanity, or, as Tennessee Williams describes it in The Glass Menagerie: 'Time is the longest distance between two places.' In an interconnected world time is equally the longest distance between two people.
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Once the time zone is set, each individual added in the project will receive notifications and reminders as per their time zone.
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Travellers are unable to set their second time zone on their GMT and multi- time zone watches to the half hour differential.
Abu Dhabi Global Market (ADGM), the financial free zone in the capital, has established the required commercial and legal framework to be a focal point to four major international markets operating in different time zones, according to a company statement released on Tuesday.
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The change of the time zone could contribute to greater engagement of people.