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The World Clock - Time Zone difference from USA – Montana – Sidney

Add or subtract the given number of hours to/from Sidney time to get the time in these cities.

Note: Time zone differences will vary during the year, as different countries observe DST during different periods. Therefore, you should usually use The World Clock instead

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Time zone differences in North America

Abbotsford *-1 hourGrise Fiord *+2 hoursPlano *+1 hour
Abilene *+1 hourGuadalajara *+1 hourPlaya del Carmen+1 hour
Acapulco *+1 hourGuatemalasame timePointe-à-Pitre+2 hours
Adak *-3 hoursGuelph *+2 hoursPomona *-1 hour
Aguascalientes *+1 hourHagåtña+16 hoursPonce+2 hours
Akron *+2 hoursHalifax *+3 hoursPond Inlet *+2 hours
Alajuelasame timeHamilton (Bermuda) *+3 hoursPort-au-Prince+1 hour
Albany *+2 hoursHamilton (CA-ON) *+2 hoursPortland (Oregon) *-1 hour
Albuquerque *same timeHampton *+2 hoursPortland (Maine) *+2 hours
Alert *+2 hoursHappy Valley-Goose Bay *+3 hoursPortsmouth *+2 hours
Alexandria *+2 hoursHarrisburg *+2 hoursPrince George *-1 hour
Allentown *+2 hoursHartford *+2 hoursProvidence *+2 hours
Amarillo *+1 hourHavana *+2 hoursProvidenciales+2 hours
Anaheim *-1 hourHayward *-1 hourProvo *same time
Anchorage *-2 hoursHelena *same timePuebla *+1 hour
Angels Camp *-1 hourHermosillo-1 hourPuerto Cabezassame time
Ann Arbor *+2 hoursHesperia *-1 hourPuerto Plata+2 hours
Annapolis *+2 hoursHialeah *+2 hoursPuerto Vallarta *+1 hour
Arlington *+1 hourHillsboro *-1 hourPunta Cana+2 hours
Arroyo+2 hoursHilo-4 hoursPunta Gordasame time
Athens *+2 hoursHolguín *+2 hoursQuébec *+2 hours
Atlanta *+2 hoursHollywood (US-FL) *+2 hoursQuerétaro *+1 hour
Augusta (US-ME) *+2 hoursHollywood (US-CA) *-1 hourQuetzaltenangosame time
Augusta (US-GA) *+2 hoursHonolulu-4 hoursRaleigh *+2 hours
Aurora *same timeHouston *+1 hourRancho Cucamonga *-1 hour
Austin *+1 hourHuntington Beach *-1 hourRapid City *same time
Baker Lake *+1 hourHuntsville *+1 hourReginasame time
Bakersfield *-1 hourIndependence *+1 hourResolute Bay *+1 hour
Baltimore *+2 hoursIndianapolis *+2 hoursReynosa *+1 hour
Barrie *+2 hoursInglewood *-1 hourRichmond (CA-BC) *-1 hour
Basse-Terre (Guadeloupe)+2 hoursInuvik *same timeRichmond (US-VA) *+2 hours
Basseterre (St. Kitts)+2 hoursIqaluit *+2 hoursRichmond Hill *+2 hours
Baton Rouge *+1 hourIrvine *-1 hourRiverside *-1 hour
Beaumont *+1 hourIrving *+1 hourRiverside *+2 hours
Belize Citysame timeJackson *+1 hourRoad Town+2 hours
Belmopansame timeJacksonville *+2 hoursRochester *+2 hours
Berkeley *-1 hourJefferson City *+1 hourRockford *+1 hour
Billings *same timeJersey City *+2 hoursRoseau+2 hours
Birmingham *+1 hourJoplin *+1 hourSacramento *-1 hour
Bismarck *+1 hourJuneau *-2 hoursSaguenay *+2 hours
Blanc-Sablon+2 hoursKamloops *-1 hourSaint George's+2 hours
Boise *same timeKansas City (US-MO) *+1 hourSaint John (CA - NB) *+3 hours
Boston *+2 hoursKansas City (US-KS) *+1 hourSaint John's (Antigua)+2 hours
Brades+2 hoursKelowna *-1 hourSaint-Pierre *+4 hours
Brampton *+2 hoursKey West *+2 hoursSaipan+16 hours
Bridgeport *+2 hoursKingston (Canada) *+2 hoursSalem *-1 hour
Bridgetown+2 hoursKingston (Jm)+1 hourSalinas *-1 hour
Bryan – College Station *+1 hourKingstown+2 hoursSalt Lake City *same time
Buckeye-1 hourKitchener *+2 hoursSan Antonio *+1 hour
Buffalo *+2 hoursKnoxville *+2 hoursSan Bernardino *-1 hour
Burlington *+2 hoursKralendijk+2 hoursSan Diego *-1 hour
Burnaby *-1 hourKuujjuaq *+2 hoursSan Francisco *-1 hour
Caguas+2 hoursLa Ceibasame timeSan Jose (CR)same time
Calgary *same timeLa Romana+2 hoursSan Jose (USA) *-1 hour
Camagüey *+2 hoursLabadee+1 hourSan Juan+2 hours
Cambridge *+2 hoursLakewood *same timeSan Juan de la Maguana+2 hours
Cancún+1 hourLansing *+2 hoursSan Luis Potosi *+1 hour
Cap-Haïtien+1 hourLaredo *+1 hourSan Miguelsame time
Cape Coral *+2 hoursLas Vegas *-1 hourSan Pedrosame time
Carson City *-1 hourLaval *+2 hoursSan Pedro Sulasame time
Castries+2 hoursLeon *+1 hourSan Salvadorsame time
Cedar Rapids *+1 hourLeónsame timeSan Vicentesame time
Charleston (WV) *+2 hoursLexington-Fayette *+2 hoursSancti Spíritus *+2 hours
Charleston (SC) *+2 hoursLiberiasame timeSanta Ana (SV)same time
Charlestown+2 hoursLimónsame timeSanta Ana (US-CA) *-1 hour
Charlotte *+2 hoursLincoln *+1 hourSanta Barbara *-1 hour
Charlotte Amalie+2 hoursLittle Rock *+1 hourSanta Clara *+2 hours
Charlottetown *+3 hoursLivonia *+2 hoursSanta Clarita *-1 hour
Chatham-Kent *+2 hoursLondon *+2 hoursSanta Fe *same time
Chattanooga *+2 hoursLong Beach *-1 hourSanta María Huatulco *+1 hour
Chesapeake *+2 hoursLongueuil *+2 hoursSanta Rosa *-1 hour
Chetumal+1 hourLos Angeles *-1 hourSantiago de Cuba *+2 hours
Cheyenne *same timeLouisville *+2 hoursSantiago de los Caballeros+2 hours
Chibougamau *+2 hoursLowell *+2 hoursSantiago de Veraguas+1 hour
Chicago *+1 hourLynchburg *+2 hoursSanto Domingo+2 hours
Chihuahua *same timeMacon *+2 hoursSaskatoonsame time
Cholomasame timeMadison *+1 hourScottsdale-1 hour
Christiansted+2 hoursManaguasame timeSeattle *-1 hour
Chula Vista *-1 hourMarkham *+2 hoursSherbrooke *+2 hours
Cincinnati *+2 hoursMary's Harbour *+3:30 hoursShreveport *+1 hour
Citrus Heights *-1 hourMasayasame timeSikeston *+1 hour
Ciudad Juárez *same timeMatagalpasame timeSimi Valley *-1 hour
Ciudad Victoria *+1 hourMatamoros *+1 hourSioux Falls *+1 hour
Clarksville *+1 hourMay Pen+1 hourSouth Bend *+2 hours
Cleveland *+2 hoursMayagüez+2 hoursSpanish Town+2 hours
Cockburn Harbour+2 hoursMazatlan *same timeSpringfield (MO) *+1 hour
Cockburn Town+2 hoursMemphis *+1 hourSpringfield (MA) *+2 hours
Codrington (Barbuda)+2 hoursMerida *+1 hourSpringfield (IL) *+1 hour
Colima *+1 hourMesa-1 hourSquamish *-1 hour
Colón+1 hourMesquite *+1 hourSt. Catharines *+2 hours
Columbia *+2 hoursMetairie *+1 hourSt. John's (CA - NF) *+3:30 hours
Columbus (US-OH) *+2 hoursMexicali *-1 hourSt. Louis *+1 hour
Columbus (US-GA) *+2 hoursMexico City *+1 hourSt. Paul *+1 hour
Concepción de La Vega+2 hoursMiami *+2 hoursSt. Petersburg *+2 hours
Concord *+2 hoursMidland *+1 hourStamford *+2 hours
Coquitlam *-1 hourMilwaukee *+1 hourSterling Heights *+2 hours
Coral Harbour+1 hourMinneapolis *+1 hourStockton *-1 hour
Cranbrook *same timeMississauga *+2 hoursSunnyvale *-1 hour
Cruz Bay+2 hoursMobile *+1 hourSurrey *-1 hour
Cuernavaca *+1 hourModesto *-1 hourSyracuse *+2 hours
Dallas *+1 hourMontego Bay+1 hourTallahassee *+2 hours
Dangrigasame timeMonterrey *+1 hourTampa *+2 hours
David+1 hourMontgomery *+1 hourTegucigalpasame time
Dayton *+2 hoursMontpelier *+2 hoursTempe-1 hour
Decatur *+1 hourMontreal *+2 hoursTepic *same time
Denison *+1 hourMoreno Valley *-1 hourTexcoco *+1 hour
Denver *same timeNanaimo *-1 hourThe Bottom+2 hours
Des Moines *+1 hourNaples *+2 hoursThe Valley+2 hours
Detroit *+2 hoursNashville *+1 hourThousand Oaks *-1 hour
Dover *+2 hoursNassau *+2 hoursThunder Bay *+2 hours
Durango *+1 hourNew Haven *+2 hoursTijuana *-1 hour
Ecatepec *+1 hourNew Orleans *+1 hourToledo *+2 hours
Edmonton *same timeNew York *+2 hoursTopeka *+1 hour
El Monte *-1 hourNewark *+2 hoursToronto *+2 hours
El Paso *same timeNewport News *+2 hoursTorrance *-1 hour
Elizabeth *+2 hoursNome *-2 hoursTrenton *+2 hours
Erie *+2 hoursNorfolk *+2 hoursTrois-Rivieres *+2 hours
Escondido *-1 hourOakland *-1 hourTucson-1 hour
Escuintlasame timeOakville *+2 hoursTurlock *-1 hour
Eugene *-1 hourOaxaca *+1 hourTuxtla Gutierrez *+1 hour
Eureka *+1 hourOceanside *-1 hourUnalaska *-2 hours
Evansville *+1 hourOgden *same timeVallejo *-1 hour
Fairbanks *-2 hoursOklahoma City *+1 hourVancouver *-1 hour
Fargo *+1 hourOlathe *+1 hourVeracruz *+1 hour
Fayetteville *+2 hoursOlympia *-1 hourVictoria *-1 hour
Flint *+2 hoursOntario *-1 hourVictorville *-1 hour
Fort-de-France+2 hoursOrange *-1 hourVieux Fort+2 hours
Fort Lauderdale *+2 hoursOrange Walk Townsame timeVirginia Beach *+2 hours
Fort Smith *+1 hourOranjestad+2 hoursVisalia *-1 hour
Fort Wayne *+2 hoursOrlando *+2 hoursWaco *+1 hour
Fort Worth *+1 hourOshawa *+2 hoursWailuku-4 hours
Frankfort *+2 hoursOttawa *+2 hoursWake Island+18 hours
Freeport *+2 hoursOverland Park *+1 hourWaldorf *+2 hours
Fremont *-1 hourOwensboro *+1 hourWarren *+2 hours
Fresnillo *+1 hourOxnard *-1 hourWashington DC *+2 hours
Fresno *-1 hourPanama+1 hourWaterbury *+2 hours
Fullerton *-1 hourParadise *-1 hourWhistler *-1 hour
Gainesville *+2 hoursPasadena (USA-TX) *+1 hourWhitehorse *-1 hour
Garland *+1 hourPasadena (USA-CA) *-1 hourWichita *+1 hour
Gatineau *+2 hoursPaterson *+2 hoursWillemstad+2 hours
George Town+1 hourPensacola *+1 hourWindsor *+2 hours
Glendale (USA-CA) *-1 hourPeoria *+1 hourWinnipeg *+1 hour
Glendale (USA-AZ)-1 hourPhiladelphia *+2 hoursWinston-Salem *+2 hours
Gonaïves+1 hourPhoenix-1 hourWorcester *+2 hours
Goodyear-1 hourPierre *+1 hourYellowknife *same time
Grand Rapids *+2 hoursPinar del Río *+2 hoursYonkers *+2 hours
Greater Sudbury *+2 hoursPittsburgh *+2 hoursZacatecas *+1 hour

* = Adjusted for DST or summer time (342 places).

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