From Wikipedia, the free encyclopedia
|
Contents
- 1 UTC-12,
Y
- 2 UTC-11,
X
- 3 UTC-10,
W
- 4
UTC-9:30, V†
- 5 UTC-9,
V
- 6 UTC-8,
U
- 7 UTC-7,
T
- 8 UTC-6,
S
- 9 UTC-5,
R
- 10
UTC-4:30, Q†
- 11 UTC-4,
Q
- 12
UTC-3:30, P†
- 13 UTC-3,
P
- 14 UTC-2,
O
- 15 UTC-1,
N
- 16 UTC+0,
Z
- 17 UTC+1,
A
- 18 UTC+2,
B
- 19 UTC+3,
C
- 20
UTC+3:30, C†
- 21 UTC+4,
D
- 22
UTC+4:30, D†
- 23 UTC+5,
E
- 24
UTC+5:30, E†
- 25
UTC+5:45, E‡
- 26 UTC+6,
F
- 27
UTC+6:30, F†
- 28 UTC+7,
G
- 29 UTC+8,
H
- 30
UTC+8:45, H‡
- 31 UTC+9,
I
- 32
UTC+9:30, I†
- 33 UTC+10,
K
- 34
UTC+10:30, K†
- 35 UTC+11,
L
- 36
UTC+11:30, L†
- 37 UTC+12,
M
- 38
UTC+12:45, M‡
- 39
UTC+13, M†
- 40
UTC+14, M†
- 41 See
also
- 42 References
|
|
This is a list of time zones, sorted by time offsets from Coordinated Universal Time
(UTC). Countries and regions observing the respective time zones
are listed under it. This only gives current offsets. For more
detailed and historic information, the zones must be divided. One
list that does so is the tz database. See list of tz zones. Also see a helpful map (which is
not necessarily completely up to date).
Regions marked with asterisks (* or **) observe daylight
saving time: add one hour in summer (* for Northern
Hemisphere summer; ** for Southern Hemisphere). Note, some
locations use GMT (Greenwich Mean Time) instead of UTC
(Coordinated Universal Time) in the definition of local time. For
the purposes of this summary, the distinction is ignored.
Some zones north-south of each other in the mid Pacific
differ by 24 hours in time: they have the same time of day but
differ by a full day. The two extreme time zones on Earth (both in
the mid Pacific) differ by 26 hours. A particular day starts
earlier in countries with a more positive UTC offset. Thus the
first occurrence of a date will be in UTC+14 and the last of the same date in UTC−12. This gives the interesting feature
that during one hour each day there are three different dates in
use on land around the world, e.g. at 10:30 UTC Monday it is
already 00:30 Tuesday in the Line Islands (UTC+14) while the time is
23:30 Sunday in Samoa (UTC-11).[1]
Time zone abbreviations are almost always customary, not
legal—those listed here only exist in English and are somewhat
arbitrary. English time zone names below generally only apply to
English-speaking areas. The CIA and NAO disagree on the time
kept by some Russian oblasts, so both are given
below—this may be due to a recent time zone change.
UTC-9:30,
V†
Principal cities: Seattle, Portland, San Francisco, Los Angeles, Vancouver, Whitehorse, Tijuana
Principal cities: Denver, Phoenix, Salt Lake City, Calgary, Yellowknife, Hermosillo, Ciudad Juárez
- Canada (MT—Mountain Time
Zone)
- Mexico
- United
States (MT—Mountain Time Zone)
- Arizona (the Navajo Nation*
does observe DST, but the Hopi Reservation, an enclave
within it, does not observe DST),
- Colorado*,
- Idaho*
-
- A 1966 legislative error legally placed southern Idaho in the
North American Central Time Zone. The 1966 Uniform Time
Act added Atlantic standard time as the first zone, renumbering
mountain standard time from the third zone to the fourth zone,[2] but the
portion of the original 1918 Standard Time Act which placed
southern Idaho in the "third zone"[3] was not
changed in 1966. Nevertheless, southern Idaho is now officially in
the Mountain Time Zone according to the Code of Federal
Regulations.[4]
- Kansas*
- Montana*,
- Nebraska
(western)*,
- Nevada*
- New Mexico*,
- North Dakota
(southwestern)*,
- Oklahoma
- Kenton* — This unincorporated
community, located near the far western edge of the Panhandle, unofficially observes
Mountain Time. The legal time for all of Oklahoma,
including Kenton, is Central Time (UTC-6
standard, UTC-5 summer).
- Oregon
- South Dakota
(western)*,
- Texas*
- Utah*,
- Wyoming*
Principal cities: Belize City, Chicago, Dallas, Guadalajara, Guatemala City,
Houston, Managua, Mexico City, Minneapolis, Monterrey, New Orleans, Regina, St. Louis, San José, San Salvador, Tegucigalpa.
- Belize
- Canada (CT—North American Central Time
Zone)
- Manitoba*,
- Nunavut*, (rest of
territory is on Mountain Time and Eastern Time)
- Ontario*
- Northwestern Ontario west of 90°
West (except Atikokan area, New Osnaburgh and Pickle Lake area, and
Shebandowan and Upsala area), and Big Trout Lake area east of 90°
West,
- Saskatchewan
(except Lloydminster and surrounding area)
- Chile
- Costa Rica
- Ecuador
- El Salvador
- Guatemala (observed
DST in 2006, did not in 2007-2009)[5]
- Honduras
- Mexico
- Nicaragua
- United
States (CT—Central Time Zone)
- Alabama*,
- Arkansas*,
- Florida
- Illinois*,
- Indiana*
- northwestern
- southwestern
- Iowa*,
- Kansas (most of
state)*,
- Kentucky
(western)*,
- Louisiana*,
- Michigan (the counties
bordering Wisconsin)*
- Minnesota*,
- Mississippi*,
- Missouri*,
- Nebraska (central and
eastern)*,
- North Dakota
(most of state)*,
- Oklahoma (most of
state)*,
- South Dakota
(eastern)*,
- Tennessee*
- Texas (most of state)*,
- Wisconsin*
Principal cities: Boston, New York, Philadelphia, Washington, D.C., Atlanta, Miami, Cleveland, Cincinnati, Detroit, Lima,
Ottawa, Montréal, Québec, Quito, Toronto, Bogotá, Havana, Port-au-Prince, Kingston,
Iqaluit
- Bahamas*
- Canada (ET—North American
Eastern Time Zone)
- Nunavut*, (rest of
territory is on Mountain Time and Central Time)
- Ontario
- Quebec (most of
province)*
- Cayman
Islands
- Colombia
- Cuba*
- Ecuador
- Haiti
- Jamaica
- Navassa
Island
- Panama
- Peru
- Turks and Caicos Islands*
- United
States (ET—Eastern Time Zone)
- Alabama
- The legal time for the entire state is Central Time, one hour
behind this zone. However, Phenix City and several nearby
communities unofficially observe Eastern Time (with daylight time).
Phenix City lies on the opposite side of the Chattahoochee River from the much
larger city of Columbus, Georgia.
- Connecticut*,
- Delaware*,
- District
of Columbia*,
- Florida
- Georgia*,
- Indiana (most of
state)*,
- Kentucky
(eastern)*,
- Maine*,
- Maryland*,
- Massachusetts*,
- Michigan (most of
state)*,
- New
Hampshire*,
- New Jersey*,
- New York*,
- North
Carolina*,
- Ohio*,
- Pennsylvania*,
- Rhode
Island*,
- South
Carolina*,
- Tennessee*
- Vermont*,
- Virginia*,
- West
Virginia*
UTC-4:30,
Q†
UTC-3:30,
P†
The province of San
Luis change his time zone to UTC-4 and save DST again on March
15, 2009.
- Brazil - official time
- Alagoas,
- Amapá,
- Bahia (no DST since
2003),
- Ceará,
- Distrito Federal**,
- Espírito
Santo**,
- Goiás**,
- Maranhão,
- Minas
Gerais**,
- Pará (all state is in
UTC−3 since June 24, 2008), [7]
- Paraíba,
- Paraná**,
- Pernambuco,
- Piauí,
- Rio de Janeiro**,
- Rio
Grande do Norte,
- Rio
Grande do Sul**,
- Santa Catarina**,
- São Paulo**,
- Sergipe,
- Tocantins
- French
Guiana
- Greenland
- Saint-Pierre
and Miquelon*
- Suriname
- Uruguay**
Principal cities: Praia,
Ponta
Delgada
- Territories observing European Union DST rules
- (DST begins 1 a.m. UTC on the last Sunday in March and ends 1
a.m. UTC on the last Sunday in October)
- Territories not observing DST
Principal cities: London, Dublin, Abidjan, Casablanca, Accra, Lisbon
The crew of the International Space Station
observes this timezone in their daily routine.
- Territories observing European Union DST rules
- (DST begins 1 a.m. UTC on the last Sunday in March and ends 1
a.m. UTC on the last Sunday in October)
- Territories not observing DST
Principal cities: Amsterdam, Berlin, Budapest , Vienna, Prague, Brussels, Kinshasa, Lagos, Madrid, Paris, Rome, Oslo, Warsaw
(also called CET: Central Europe Time)
- Territories observing European Union DST rules
- (DST begins 01:00 UTC on the last Sunday in March and ends
01:00 UTC on the last Sunday in October)
- Territories observing their own DST rules
- Territories not observing DST
Principal cities: Athens, Sofia, Cairo,
Istanbul, Helsinki, Jerusalem, Johannesburg, Bucharest
- Territories observing European Union DST rules
- (DST begins 01:00 UTC on the last Sunday in March and ends
01:00 UTC on the last Sunday in October)
- Territories observing DST rules for Russia, Belarus and
Armenia
- (DST begins 02:00. local standard time on the last
Sunday in March and ends 3 a.m. local daylight saving time
on the last Sunday in October, in each time zone)
- Territories observing their own DST rules
- Territories not observing DST
Principal cities: Moscow, Baghdad, Khartoum, Saint Petersburg
UTC+3:30, C†
Principal cities: Tehran, Mashhad, Esfahan, Tabriz
Principal cities: Baku, Samara, Tbilisi, Yerevan, Dubai
UTC+4:30, D†
Principal cities: Kabul,
Herat, Kandahar, Mazar-i
Sharif
Principal cities: Karachi, Lahore, Faisalabad, Rawalpindi
UTC+5:30, E†
Principal cities: Ahmedabad, Bengaluru, Chennai, Colombo, Delhi, Hyderabad, Kolkata, Mumbai, Thiruvananthapuram
UTC+5:45, E‡
Principal cities: Kathmandu, Biratnagar, Patan, Pokhara
- Nepal
- Nepal's time zone
of UTC+5:45 was adopted in 1986.[11] This
is the nearest quarter-hour from Greenwich to the local mean time
of Nepal's capital Kathmandu, which is at 85°19′E or 5:41:16.
Old CIA maps, 1995 and earlier, have Nepal at UTC+5:40, which may
be their approximation of Kathmandu's local mean time.
Principal cities: Astana, Almaty, Dhaka, Chittagong, Novosibirsk, Khulna, Sylhet
UTC+6:30, F†
- Australia
(AWST—Australian Western Standard Time)
- Western
Australia (most of state)**
- Western Australia began a three-year experiment with usage of
summer (daylight saving) time on December 3, 2006. Daylight saving
time will be used from October through March, with the late start
in 2006 due to late passage of the relevant legislation. A
referendum held on May 19 2009 concluded that daylight saving will
not be held in the future.
- Brunei
- China,
People's Republic of
- The whole of the People's Republic of China has the same time,
which makes this time zone exceptionally wide. In the extreme west
of China the sun is at its highest at 15:00, in the extreme east at
11:00. It also means that on the short (76 km) frontier with
Afghanistan, the
official time change is 3 hours and 30 minutes. The two western autonomous
regions of China, Xinjiang and Tibet, were in UTC+6 during the Republic era
(1912–1949), but were moved to UTC+8 after the founding of the People's Republic
of China in 1949. Today, residents of the two autonomous
regions do everything 2 hours late. For example, lunch is at
14:00 and business hours ends around 19:00.
- China, Republic of (Taiwan, Penghu, Kinmen,
and Matsu)
- In 1895, when Japan took
over the island of Taiwan
(including the Pescadores), Taiwan was placed within
Japan's Western Standard Time (UTC+8) along with the Yaeyama Islands and Miyako Island (now the southwestern part of
Okinawa
Prefecture, Japan). However, in 1937, Japan abolished its
Western Standard Time so Taiwan then observed Japan
Standard Time (UTC+9).
Taiwan reverted back to UTC+8 after World War II with intermittent usage of daylight
saving time until 1979.
- Hong Kong
- In 1904, Royal
Observatory Hong Kong began to adopt Greenwich
Mean Time as the basis for Hong Kong Time (8 hours in advance of
Greenwich Mean Time).[13
] The practice pre-dates the establishment of Republic of
China (1911)[14] and
People's Republic of China
(1949).[15] Prior
World War II, the
Hong Kong Time was determined by astronomical observations at the
Observatory using a 6-inch Lee Equatorial and a 3-inch Transit
Circle.[13
] Now, the current time can be obtained from the
Observatory's Network Time Server.
- Indonesia
(Central/WITA)
- Macau (Macao Standard Time)
- Malaysia
- The more populous Peninsular Malaysia is
geographically in UTC+7, but
changed to UTC+8 in 1982 to follow that of Malaysian Borneo (which makes up only 20%
of total population), so that the whole country lies in the same
time zone.[16]
- Mongolia
- Philippines
- Even if the Philippines has only one official time zone, Davao City, located at
the Southeast part of the country is ten minutes earlier than the
whole archipelago.
This also means that every official time in Davao City, such as flight and ship
departure, is 10 minutes earlier than Manila. Only the programmes that are broadcasted
nationwide follows the Manila
time. This 10 minute discrepancy however does not bother travellers
in the city.
- Russia
- Singapore
- Geographically in UTC+7, but changed to UTC+8 in 1982 to follow
that of Malaysia.[16]
UTC+8:45, H‡
UTC+9:30, I†
- Australia
(ACST—Australian Central Standard Time)
UTC+10:30, K†
UTC+11:30, L†
Ross
Dependency**, McMurdo Station**, Amundsen-Scott South Pole
Station**, unofficial
UTC+12:45, M‡
See also
References
- ^
"The World Clock - Time
Zones". TimeDateTool.com. http://devmatrix.ath.cx/timedatetool.com/worldclock.php. Retrieved
2008-02-20.
- ^
Designation of zone standard
times 15USC263 notes
- ^
Part of Idaho in third zone
15USC264
- ^
Boundary line between mountain
and Pacific zones, 49CFR71.9
- ^
"Time zone in Guatemala".
Time and Date.com. http://www.timeanddate.com/worldclock/timezone.html?n=94. Retrieved
2009-05-24.
- ^
"Venezuela creates own time
zone". BBC News. 2007-12-09.
http://news.bbc.co.uk/2/hi/americas/7134927.stm. Retrieved 2007-12-10.
"Venezuela creates its own unique time zone on Sunday, putting the
clock back half-an-hour on a permanent basis."
- ^ a
b
Brazil changes time zone in SW
Amazon region
- ^
"Times are a' changing in
Georgia". BBC News. June 27, 2004. http://news.bbc.co.uk/1/hi/world/europe/3843511.stm. Retrieved
2007-09-24.
- ^
"Time zone in Tbilisi".
Time and Date.com. http://www.timeanddate.com/worldclock/timezone.html?n=371. Retrieved
2007-09-24.
- ^
"Time zone in Colombo".
Time and Date.com. http://www.timeanddate.com/worldclock/timezone.html?n=389. Retrieved
2007-09-24.
- ^
Chadwick, Mike (December 28, 1997). "To Every Times, There Is A
Purpose". St. Petersburg Times. http://www.sptimes.com/Travel97/10198/To_Every_Times__There.html. Retrieved
2007-09-24.
- ^
"Time zone in Bishkek".
Time and Date.com. http://www.timeanddate.com/worldclock/timezone.html?n=384. Retrieved
2007-09-24.
- ^
a
b History of Hong Kong Time
Service, http://www.hko.gov.hk/gts/time/History_of_HK_Time_Service.htm, retrieved
2009-05-22
- ^
The Chinese Revolution of
1911, http://www.state.gov/r/pa/ho/time/ip/88116.htm, retrieved
2009-05-22
- ^
Zedong, Mao (1949),
Proclaimation of the
establishment of the People's Republic of China, http://www.isop.ucla.edu/eas/documents/mao490921.htm, retrieved
2009-05-22
- ^ a
b
Aslaksen, Helmer. "Why is Singapore in the
"Wrong" Time Zone?". NUS: Department of Mathematics. http://www.math.nus.edu.sg/aslaksen/teaching/timezone.html. Retrieved
2007-09-24.
- ^
"In Marshall Islands, Friday
Is Followed by Sunday". New York Times. August 22, 1993. http://query.nytimes.com/gst/fullpage.html?res=9F0CE1D6163EF931A1575BC0A965958260&sec=&spon=&partner=permalink&exprod=permalink. Retrieved
2007-09-24.
Wikis
Quiz
Map
Search
