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Time zone abbreviations for both Standard Time and Daylight Saving Time are shown exactly as they appear in the database. See strftime and its "%Z" field. Some of zone records use 3 or 4 letter abbreviations that are tied to physical time zones, others use numeric UTC offsets.
Eastern Standard Time (EST) UTC−05:00 and Eastern Daylight Time (EDT) UTC−04:00: Nunavut east of 85° West, and; all communities in the Qikiqtaaluk Region except Resolute; Ontario east of 90° West (except the Big Trout Lake area), plus; west of 90° West: Shebandowan and Upsala areas; Quebec (most of province)
Such designations can be ambiguous; for example, "CST" can mean China Standard Time (UTC+08:00), Cuba Standard Time (UTC−05:00), and (North American) Central Standard Time (UTC−06:00), and it is also a widely used variant of ACST (Australian Central Standard Time, UTC+9:30). Such designations predate both ISO 8601 and the internet era; in ...
The Eastern Time Zone (ET) is a time zone encompassing part or all of 23 states in the eastern part of the United States, parts of eastern Canada, and the state of Quintana Roo in Mexico. Eastern Standard Time ( EST ) is five hours behind Coordinated Universal Time ( UTC−05:00 ).
The main purpose of this page is to list the current standard time offsets of different countries, territories and regions. Information on daylight saving time or historical changes in offsets can be found in the individual offset articles (e.g. UTC+01:00) or the country-specific time articles (e.g. Time in Russia).
In 2020, Yukon abandoned seasonal time change and moved to permanently observe year-round Mountain Standard Time (MST). [3] In the regions of Canada that use daylight saving time, it begins on the second Sunday of March at 2 a.m. and ends on the first Sunday in November at 2 a.m.
Canada was an early adopter of the 24-hour clock, which Sandford Fleming promoted as key to accurate communication alongside time zones and a standard prime meridian. [22] The Canadian Pacific Railway (CPR) began to use it in 1886, prior to its official adoption by European countries.
Time zones of the world. A time zone is an area which observes a uniform standard time for legal, commercial and social purposes. Time zones tend to follow the boundaries between countries and their subdivisions instead of strictly following longitude, because it is convenient for areas in frequent communication to keep the same time.