What country has the most time zones, with 12? Surprisingly, its not Russia or the US. Think of a country with far-flung territories and dependencies.
"form of ""double summer time."" Time in France Metropolitan France uses Central European Time (""heure d'Europe centrale"", ""HEC"": ) and Central European Summer Time (""heure d'été d'Europe centrale"": ). Daylight saving time is observed in Metropolitan France from the last Sunday in March (02:00 CET) to the last Sunday in October (03:00 CEST). With its overseas territories, France uses 12 different time zones, more than any other country in the world. The overseas territories of France use different timezones. Before 1891, each town and city in Metropolitan France had its own time based on local solar time. In 1891, to"
"there was already a difference in time offset from the offsets in any other zone. Asia/Ulan Ude was a time zone identifier from the zone file of the tz database. The reference point was Ulan-Ude. It was added in tz version 2011e. Edition 2011i did not contain it anymore. The area remained at Asia/Irkutsk. The contained data in zone.tab was: The covered area was Republic of Buryatia. Per a 2011 law, last amended in 2016, the territory of Sakha Republic observes more than one offset. Time in Russia There are eleven time zones in Russia, which currently observe times ranging"
"one of the republics. With an area of , the Soviet Union was the world's largest country, a status that is retained by the Russian Federation. Covering a sixth of Earth's land surface, its size was comparable to that of North America. The European portion accounted for a quarter of the country's area, and was the cultural and economic center. The eastern part in Asia extended to the Pacific Ocean to the east and Afghanistan to the south, and, except some areas in Central Asia, was much less populous. It spanned over east to west across 11 time zones, and"
"Time in Europe Europe spans seven primary time zones (from to ), excluding summer time offsets (four of them can be seen on the map to the right, with one further-western zone containing the Azores, and two further-eastern zones spanning Georgia, Azerbaijan, eastern territories of European Russia, and the European part of Kazakhstan). Most European countries use summer time and harmonise their summer time adjustments. See Summer time in Europe for details. The time zones actually in use in Europe differ significantly from uniform zoning based purely on longitude, as used for example under the nautical time system. The world"
"between time zones is set forth in the Code of Federal Regulations, with the boundary between the Eastern and Central Time Zones being specifically detailed at 49 CFR 71. Seventeen states and Washington, D.C. are located entirely within the Eastern Time Zone. They are: Five states are partly in the Eastern Time Zone, with the remaining portions in the Central Time Zone. They are: Eastern Time is also used somewhat as a ""de facto"" official time for all of the United States because it includes the capital city (Washington D.C.), the most populous city (New York City), and half of"
"could in theory be divided into 24 time zones, each of 15 degrees of longitude. However, due to geographical and cultural factors it is not practical to divide the world so evenly, and actual time zones may differ significantly from those based purely on longitude. In Europe, the widespread use of Central European Time (CET) causes major variations in some areas from solar time. Based on solar time, CET would range from 7.5 to 22.5°E. However, for example Spain (almost entirely in the Western hemisphere) and France (almost entirely west of 7.5°E, as illustrated in the map below) should theoretically"
"and Herzegovina, Serbia, Kosovo, Macedonia, Montenegro, San Marino, Vatican City, Andorra, Monaco and Liechtenstein also observe Central European Time. Moldova, Transnistria, Kaliningrad Oblast (Kaliningrad Time), Ukraine (apart from Crimea) and Northern Cyprus observe the Eastern European Time. Belarus, Russia (western part, including Crimea) and Turkey use Further-eastern European Time. Georgia, Armenia, Azerbaijan, South Ossetia, Abkhazia, Nagorno-Karabakh use time. Kazakhstan use . London and others: Time in Europe Europe spans seven primary time zones (from to ), excluding summer time offsets (four of them can be seen on the map to the right, with one further-western zone containing the Azores, and"
"South American continent and its geographic heartland (48% of South America), as well as various islands in the Atlantic Ocean. The only countries in the world that are larger are Russia, Canada, China, and the United States. The national territory extends from north to south (5°16'20"" N to 33°44'32"" S latitude), and from east to west (34°47'30"" E to 73°59'32"" W longitude). It spans three time zones, the westernmost of which is one hour ahead of Eastern Standard Time in the United States. The time zone of the capital (Brasília) and of the most populated part of Brazil along the"
"Effects of time zones on North American broadcasting The scheduling of television programming in North America (namely the United States, Canada, and Mexico) must cope with different time zones. The United States (excluding territories) has six time zones (Hawaii–Aleutian, Alaska, Pacific, Mountain, Central and Eastern), with further variation in the observance of daylight saving time. Canada also has six time zones (Pacific, Mountain, Central, Eastern, Atlantic and Newfoundland). Mexico has four time zones (Pacific, Mountain, Central, and Eastern). This requires broadcast and pay television networks in each country to shift programs in time to show them in different regions. Canadian"
"and much of Eastern Europe, Russia spans eleven time zones and incorporates a wide range of environments and landforms. From northwest to southeast, Russia shares land borders with Norway, Finland, Estonia, Latvia, Lithuania and Poland (both with Kaliningrad Oblast), Belarus, Ukraine, Georgia, Azerbaijan, Kazakhstan, China, Mongolia and North Korea. It shares maritime borders with Japan by the Sea of Okhotsk and the U.S. state of Alaska across the Bering Strait. The East Slavs emerged as a recognizable group in Europe between the 3rd and 8th centuries AD. Founded and ruled by a Varangian warrior elite and their descendants, the medieval"
"Time zone A time zone is a region of the globe 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. Most of the time zones on land are offset from Coordinated Universal Time (UTC) by a whole number of hours (UTC−12 to UTC+14), but a few zones are offset by 30 or 45 minutes (e.g. Newfoundland Standard Time is UTC−03:30, Nepal Standard Time is UTC+05:45, and Indian Standard"
"territory are split between the Mountain Time Zone and the Pacific Time Zone: One territory and one province are split between the Mountain Time Zone and the Central Time Zone The following states have the same time as Mountain Time Zone: Five states are fully contained in the Mountain Time Zone: Four states are split between the Mountain Time Zone and the Pacific Time Zone. The following locations observe Mountain Time: Six states are split between the Mountain Time Zone and the Central Time Zone. The following locations observe Mountain Time: Mountain Time Zone The Mountain Time Zone of North"
"elsewhere in the world for different time zones. The United States uses nine standard time zones. As defined by US law they are: View the standard time zone boundaries here. From east to west, the four time zones of the contiguous United States are: Some United States Minor Outlying Islands are outside the time zones defined by 15 U.S.C. §260 and exist in waters defined by Nautical time. In practice, military crews may simply use Zulu time () when on these islands. Baker Island and Howland Island are in UTC−12, while Wake Island is in . Because they exist on"
"of its Habsburg monarchs during the period of the ""Iberian Union"", but beneath the highest level of government, their separate administrations were maintained. Subsequent colonial empires included the French, English, Dutch and Japanese empires. By the mid-17th century, the Tsardom of Russia, continued later as the Russian Empire and the Soviet Union, became the largest contiguous state in the world, and the modern Russian Federation continues to be so to this day. Russia today has nine time zones, stretching across about half of the world's longitude. The British Empire, consolidated during the period of British maritime hegemony in the 19th"
"Eastern Time Zone The Eastern Time Zone (ET) is a time zone encompassing part or all of 22 states in the eastern part of the contiguous United States, parts of eastern Canada, the state of Quintana Roo in Mexico, Panama in Central America, and the Caribbean Islands. Places that use Eastern Standard Time (EST) when observing standard time (autumn/winter) are 5 hours behind Coordinated Universal Time (). Eastern Daylight Time (EDT), when observing daylight saving time DST (spring/summer) is 4 hours behind Coordinated Universal Time (). In the northern parts of the time zone, on the second Sunday in March,"
"use UTC, as they did before the Second World War. The general result is a solar noon which is much later than clock noon, and later sunrises and sunsets than should theoretically happen. The Benelux countries should also theoretically use GMT. Russia and Belarus observed ""permanent summer time"" between March 2011 and October 2014. Since October 2014 Russia has observed ""permanent winter time"". Iceland can be considered to be on """"de facto"""" permanent summer time because, since 1968, it uses UTC time all year, despite being located more than 15° west of the prime meridian. It should therefore be located"
"not be at the center of the time zone; also the time zones are defined politically, so their centers and boundaries often do not lie on meridians at multiples of 15°. In order to perform this calculation, however, a person needs to have a chronometer (watch) set to UTC and needs to determine local time by solar or astronomical observation. The details are more complex than described here: see the articles on Universal Time and on the equation of time for more details. Note that the longitude is singular at the Poles and calculations that are sufficiently accurate for other"
"Daylight saving time by country Most areas in North America and Europe, and some areas in the Middle East, observe daylight saving time (DST), while most areas of Africa and Asia do not. In South America, most countries in the north of the continent near the equator do not observe DST, while Paraguay and southern parts of Brazil do. The practice of observing daylight saving time in Oceania is also mixed, with New Zealand and parts of southeastern Australia observing DST, while most other areas do not. On 8 February 2018, the European Parliament voted to ask the European Commission"
"local winter time) has been observed on some occasions, notably in 1921, 1941-45 and 1947. See: There are four countries that do not use summer time, but keep the same time all year. Some may be thought of as using ""permanent"" summer time, since they use time zones allocated to regions further east than themselves. Belarus explicitly decided to stay permanently on (what it formerly called) summer time after 2011. Spain, France, Belgium, and the Netherlands may also be thought of as observing ""summer time"" throughout the winter, and ""double-summer time"" during summer, because of their position to the west"
"is New York City. Forty-eight states and the capital's federal district are contiguous in North America between Canada and Mexico. The State of Alaska is in the northwest corner of North America, bordered by Canada to the east and across the Bering Strait from Russia to the west. The State of Hawaii is an archipelago in the mid-Pacific Ocean. The U.S. territories are scattered about the Pacific Ocean and the Caribbean Sea, stretching across nine official time zones. The extremely diverse geography, climate, and wildlife of the United States make it one of the world's 17 megadiverse countries. Paleo-Indians migrated"
"has UTC-9. One hour Daylight saving time is added in summer. The tz database version contains seven time zones for Alaska for historical reasons. Only three (America/Adak, America/Anchorage, and America/Metlakatla) are currently necessary. Time in Alaska Alaska is covered by two time zones, as described below: In 1901, Alaska started to use time zones. Before time zones were introduced, every place used local observation of the sun to set their clocks, which means they used local mean time, every city different based on their longitude. On 18 October 1867 Alaska changed from belonging to Russia (Russian America), to belonging to"
"Time in Russia There are eleven time zones in Russia, which currently observe times ranging from to . Daylight saving time is not used in Russia (since March 2011). Since 28 October 2018, the time zones are as follows: Daylight saving time in Russia was originally introduced on 30 June [13 July, ] 1917 by a decree of the Russian Provisional Government. However, it was abandoned by a Decree of the Soviet government five months later. Daylight saving time was re-introduced in the USSR on 1 April 1981, by a decision of the Council of Ministers of the USSR. Daylight"
"conceived. Newfoundland, India, Iran, Afghanistan, Burma, Sri Lanka, the Marquesas, as well as parts of Australia use half-hour deviations from standard time, and some nations, such as Nepal, and some provinces, such as the Chatham Islands of New Zealand, use quarter-hour deviations. Some countries, such as China and India, use a single time zone even though the extent of their territory far exceeds 15° of longitude. ISO 8601 is an international standard that defines methods of representing dates and times in textual form, including specifications for representing time zones. If a time is in Coordinated Universal Time (UTC), a ""Z"""
"in the east, the Big Diomede Island. The Russian Federation spans 11 time zones. Most of Russia consists of vast stretches of plains that are predominantly steppe to the south and heavily forested to the north, with tundra along the northern coast. Russia possesses 10% of the world's arable land. Mountain ranges are found along the southern borders, such as the Caucasus (containing Mount Elbrus, which at is the highest point in both Russia and Europe) and the Altai (containing Mount Belukha, which at the is the highest point of Siberia outside of the Russian Far East); and in the"
"daylight saving time is not in effect: Some examples when UTC is 02:00 on Tuesday when or where daylight saving time is not in effect: The time-zone adjustment for a specific location may vary because of daylight saving time. For example, New Zealand, which is usually UTC+12, observes a one-hour daylight saving time adjustment during the Southern Hemisphere summer, resulting in a local time of UTC+13. From New York to other cities: From London to other cities: Conversion between time zones obeys the relationship in which each side of the equation is equivalent to UTC. (The more familiar term ""UTC"
"saving time"" (staying on summer hours all year with no time shifts) is sometimes advocated and is currently implemented in some jurisdictions such as Argentina, Belarus, Canada (e.g. Saskatchewan), Iceland, Turkey, Morocco, Namibia, and São Tomé and Príncipe. It could be a result of following the timezone of a neighbouring region, political will, or other causes. Advocates cite the same advantages as normal DST without the problems associated with the twice yearly time shifts. However, many remain unconvinced of the benefits, citing the same problems and the relatively late sunrises, particularly in winter, that year-round DST entails. Russia switched to"
"is the equivalent to GMT. A ""time zone"" is a geographical region in which residents observe the same standard time. A ""time offset"" is an amount of time subtracted from or added to Coordinated Universal Time (UTC) time to get the current civil time, whether it is standard time or daylight saving time (DST). In any particular time zone, residents either observe standard time all year round (as in Russia or South Africa), or observe standard time during winter and daylight time during summer (as in most of the United States and Europe). Several regions in North America, Europe and"
"one, making them the biggest contiguous group in the world. Also, the Central Asian and Caucasian clusters can be considered contiguous, joined by the landlocked Caspian Sea. Mongolia is almost part of this cluster too, being separated from Kazakhstan by only , across Russian or Chinese territory. There are the following ""single"" landlocked countries (each of them borders no other landlocked country): If the Caucasian countries and Kazakhstan are counted as part of Europe, then Europe has the most landlocked countries, at 20. If these transcontinental countries are included in Asia, then Africa has the most, at 16. Depending on"
"Daylight saving time in the Americas Daylight saving time in the Americas is the arrangement in the Americas by which clocks are advanced by one hour in spring and moved back in autumn, to make the most of seasonal daylight. The practice is widespread in North America, with most of Canada, Mexico, and the United States participating, but much less so in South America. Canada, Mexico, and the United States use daylight saving time on a wide scale, with only a few states/provinces and parts thereof opting out of the practice or adopting it year-round without the twice yearly switch."
", and Moscow Time is UTC+03:00. Several African and Middle Eastern countries use all year long, where it called East Africa Time (EAT) and Arabia Standard Time (AST). Until 2011, Further-eastern European Time was identical to Eastern European Time (UTC+2; UTC+3 with daylight saving time). However, on 27 March 2011, Russia moved to the so-called ""year-round daylight saving time"", so that clocks would remain on what had been the summer time all year round, making Kaliningrad Time permanently set to UTC+3, peculiarly placing its time ahead of countries to its east during winter. Belarus followed Russia on 15 September 2011,"
"result, there are European locales that despite lying in an area with a ""physical"" UTC+2 time, are in another time zone; likewise, there are European areas that have gone for UTC+2, even though their ""physical"" time zone is different from that. Following is a list of such anomalies: These areas have sunrises and sunsets at least half an hour earlier than places on the UTC+1 meridian. Winter only Year round Eastern European Time Eastern European Time (EET) is one of the names of time zone, 2 hours ahead of Coordinated Universal Time. The zone uses daylight saving time, so that"
"in UTC−1, but chooses to remain closer to continental European time, resulting in legal times significantly in advance of local solar time; this is of little practical significance owing to the wide variations in daylight hours in that country. The European Commission has proposed ending the practice of Summer time in the EU and EFTA countries in 2019. However, the decision lies with the EU's Member States as a group. Of the 28 EU member states: Azores in Portugal observes the Atlantic/Azores Time ( with Daylight saving time in the summer). Iceland observes the Western European Time. Norway, Switzerland, Bosnia"
"Only one Canadian territory is entirely in the Pacific Time Zone: One Canadian province and one territory are split between the Pacific Time Zone and the Mountain Time Zone: In Mexico, the ""Zona Noroeste"", which corresponds to Pacific Time in the United States and Canada, includes: Two states are fully contained in the Pacific Time Zone: Three states are split between the Pacific Time Zone and the Mountain Time Zone: One state is split between the Pacific Time Zone and the Alaska Time Zone: Through 2006, the local time (PST, UTC−8) changed to daylight time (PDT, UTC−7) at 02:00 LST"