Atime zoneis some sort of district on Earth this provides a standard with regard to legal, commercial, plus cultural purposes. In order intended for the identical time clock time frame in order to always match to the very same part of the daytime because Earth rotates (for example, the sun being at its best point every day all around noon), different locations around the Earth must have distinct call times. Time specific zones have been used in present times thus in the same manner situated metropolitan areas can easily hold specifically the identical time, pertaining to straightforwardness and also easy communication.
History Early timekeeping Railroad time frame Worldwide time frame zones Definition Notation of your energy ISO 8601 UTC Offsets from UTC Abbreviations UTC offsets global UTC 12:00 . UTC 07:00 UTC 06:00 . UTC 01:00 UTC 00:00 . UTC+05:45 UTC+06:00 . UTC+11:30 UTC+12:00 . UTC+14:00 Oceania / North America / Antarctica North plus South America / Antarctica Africa / Asia / Antarctica Asia / Antarctica Asia / Oceania / Antarctica No DST in summer time DST in summer No DST inside summertime DST within the summer months No DST around summer DST in summer No DST within summer DST around summertime No DST with summer season DST within summertime /N: US - /N: US - /N: GB , PT -, - / KI -, RU - /S: NZ - / /S: NZ /N: US - BO, CO, PA, PE /N: - TN, CG, CD-, DZ, NE , NG /N: AT, BA, BE, CH, CZ, DE , ES-, FR, HR, HU, IT, LI, LU, MK, S: NA -, MN-, VN, LA, TH, KH, - / - / /S: AQ - Europe: BY /N: , , , BG, GR, MD, RO, TR CN, HK, ID -, MN-, MY, -, SG, TW, / - /S: CA - / /S: BR - Europe: BY, RU -, Africa: KE, SD, SO, SS, ER, Asia: IQ, SA / JP , KP, KR, ID - / / / - /N: -, - / -, / - / /N: -, - / -, PK / - / XX = ISO 3166-1 alpha-2 nation code, XX- = components belonging to the country, N = North, S = South, UTC = Daylight Saving Time List connected with UTC offsets Time zone Example time (ISO 8601 notation) Example locations Example locations this in summer months employ DST 2011-11-04T03:04:26 Baker Island , Howland Island (both uninhabited) 2011-11-04T04:04:26 American Samoa , Samoa 2011-11-04T05:04:26 Aleutian Islands , Hawaii ) 2011-11-04T05:34:26 Marquesas Islands 2011-11-04T06:04:26 Gambier Islands Alaska ) 2011-11-04T07:04:26 Canada (most involving Mexico (Baja California ), California , many of Nevada , most of , ) 2011-11-04T08:04:26 Mexico (Sonora ), ( ) Canada (Alberta ), Mexico (Chihuahua ), Colorado ) 2011-11-04T09:04:26 Costa Rica , El Salvador , Ecuador (Gal pagos Islands ), Honduras , Mexico (most), Nicaragua , Canada (Manitoba , Saskatchewan ), Illinois , most of ) 2011-11-04T10:04:26 Colombia , Ecuador (continental), Haiti , Jamaica , Panama , Peru Canada (most regarding Ontario , almost all of Florida , Georgia , Massachusetts , nearly all of Michigan , New York , North Carolina , Ohio , ) 2011-11-04T10:34:26 2011-11-04T11:04:26 Bolivia , Amazonas ), Chile (continental), Dominican Republic , Canada (Nova Scotia ), Paraguay , , 2011-11-04T11:34:26 Canada (Newfoundland ) 2011-11-04T12:04:26 ( , , ), almost all of , 2011-11-04T13:04:26 Fernando de Noronha ), South Georgia as well as the South Sandwich Islands 2011-11-04T14:04:26 Portugal (Cape Verde 2011-11-04T15:04:26 Faroe Islands , Ghana , Iceland , Senegal continental as well as Madeira ), Spain (Canary Islands ), Morocco , 2011-11-04T16:04:26 Angola , Cameroon , Nigeria , Albania , Algeria , Belgium , Bosnia plus Herzegovina , Spain (continental), Denmark , Germany , Kinshasa , Kosovo , Macedonia , France (metropolitan ), this Netherlands , Norway , Poland , Serbia , Slovakia , Slovenia , , 2011-11-04T17:04:26 Libya , Egypt , Malawi , Mozambique , South Africa , , Estonia , Finland , Israel , Jordan , Latvia , Lebanon , Lithuania , Moldova , Palestine , , , , 2011-11-04T18:04:26 Belarus , Djibouti , Kenya , Madagascar , Russia (Kaliningrad Oblast ), Saudi Arabia , South Sudan , Somalia , South Sudan , , , 2011-11-04T18:34:26 2011-11-04T19:04:26 Georgia , Mauritius , Oman , Seychelles , 2011-11-04T19:34:26 Afghanistan 2011-11-04T20:04:26 Kazakhstan (West), Maldives , Pakistan , 2011-11-04T20:34:26 India , 2011-11-04T20:49:26 Nepal 2011-11-04T21:04:26 Kazakhstan (most), Bangladesh , Chelyabinsk Oblast ) 2011-11-04T21:34:26 Cocos Islands , 2011-11-04T22:04:27 Jakarta , Russia (Novosibirsk Oblast ), , 2011-11-04T23:04:27 China , Hong Kong , Russia (Malaysia , Philippines , Singapore , , the majority of Mongolia, 2011-11-05T00:04:27 East Timor , Russia (Japan , North Korea , South Korea 2011-11-05T00:34:27 Northern Territory ) South Australia ) 2011-11-05T01:04:27 Russia ( ) New South Wales , , , ) 2011-11-05T01:34:27 Lord Howe Island 2011-11-05T02:04:27 New Caledonia , Russia (Solomon Islands 2011-11-05T02:34:27 Norfolk Island 2011-11-05T03:04:27 Fiji , Russia (Kamchatka Krai ) New Zealand 2011-11-05T03:49:27 Chatham Islands 2011-11-05T04:04:27 2011-11-05T05:04:27 Kiribati (Line Islands ) Time zoom conversions "time within zone A" "UTC offset for area A" = "time inside zone B" "UTC canceled out for area B", "time throughout zoom B" = "time in zone A" "UTC balanced out intended for zone A" + "UTC balanced out intended for zone B". moment within Los Angeles = 09:30 ( 05:00) + ( 08:00) = 06:30 period throughout Delhi = 09:30 ( 05:00) + (+5:30) = 20:00 Nautical moment areas Skewing regarding specific zones Daylight keeping time Additional data Internet along with personal computer techniques Operating devices Unix Microsoft Windows Programming languages Java JavaScript PHP Python 22] Negated occasion zone canceled out with seconds is stashed time.timezone and also time.altzone attributes. Smalltalk Databases TIMESTAMP WITH TIME ZONE TIMESTAMP WITHOUT TIME ZONE Oracle TIMESTAMP WITH TIME ZONE Stores time frame in addition to occasion data using the counteract from UTC TIMESTAMP WITH LOCAL TIME ZONE Stores particular date and time data having respect to the dbtimezone (which cannot be adjusted provided that there's a column within the db regarding this type), on auto-pilot adapting the date and also time from your recorded time zone towards customer's period time frame zone. PostgreSQL TIMESTAMP WITH TIME ZONE Stores night out as well as time within UTC in addition to converts to the customer's local time zone (which may possibly stand out pertaining to each client) intended for show purposes. TIMESTAMP WITHOUT TIME ZONE Stores date as well as period with no conversion on input or maybe output. Applications Microsoft Outlook Time specific zones in surface living space See also ReferencesEconomics connected with Time Zones PDF (1.89 MB)
Historymatters.gmu.edu
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International CNN
Joda-Time
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