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The World Clock - Time Zone difference from U.S.A. – Colorado – Boulder

Add or subtract the given number of hours to/from Boulder 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

Abu Dhabi+10 hoursHowrah+11:30 hoursOmsk+13 hours
Adana *+9 hoursHsinchu+14 hoursOral+11 hours
Aden+9 hoursHuaibei+14 hoursOsaka+15 hours
Aghjabadi *+11 hoursHuainan+14 hoursOsh+12 hours
Agra+11:30 hoursHubli+11:30 hoursPabna+12 hours
Ahmedabad+11:30 hoursHulunbuir+14 hoursPadang+13 hours
Ahmednagar+11:30 hoursHuế+13 hoursPakse+13 hours
Ahvaz *+10:30 hoursHyderabad (India)+11:30 hoursPalangka Raya+13 hours
Akola+11:30 hoursHyderabad (PK)+11 hoursPalembang+13 hours
Aktau+11 hoursIloilo City+14 hoursPalu+14 hours
Al-Hasakah *+9 hoursIncheon+15 hoursPangkal Pinang+13 hours
Al Hudaydah+9 hoursIndore+11:30 hoursPatna+11:30 hours
Al-Jamiliyah+9 hoursIpoh+14 hoursPattaya+13 hours
Al Khor+9 hoursIrbid *+9 hoursPekalongan+13 hours
Al Mukalla+9 hoursIrbil+9 hoursPekan Tutong+14 hours
Aleppo *+9 hoursIrkutsk+15 hoursPekanbaru+13 hours
Allahabad+11:30 hoursIslamabad+11 hoursPematangsiantar+13 hours
Almaty+12 hoursIzmir *+9 hoursPerm+12 hours
Alor Setar+14 hoursJabalpur+11:30 hoursPeshawar+11 hours
Ambon+15 hoursJaipur+11:30 hoursPetropavl (KZ)+12 hours
Amman *+9 hoursJakarta+13 hoursPetropavlovsk-Kamchatsky (RU)+18 hours
Anadyr+18 hoursJalal-Abad+12 hoursPevek+18 hours
Anantapur+11:30 hoursJalandhar+11:30 hoursPhnom Penh+13 hours
Andijan+11 hoursJambi+13 hoursPhuket+13 hours
Angeles+14 hoursJayapura+15 hoursPhuntsholing+12 hours
Ankara *+9 hoursJeddah+9 hoursPokhara+11:45 hours
Anshan+14 hoursJeju+15 hoursPontianak+13 hours
Antalya *+9 hoursJenin *+9 hoursPort-aux-Francais+11 hours
Aqtobe+11 hoursJerusalem *+9 hoursPort Blair+11:30 hours
Ar-Raqqah *+9 hoursJessore+12 hoursPuerto Princesa+14 hours
Asansol+11:30 hoursJhelum+11 hoursPune+11:30 hours
Ashgabat+11 hoursJilin+14 hoursPyeongchang+15 hours
Astana+12 hoursJinan+14 hoursPyongyang+15 hours
Atyrau+11 hoursJinzhou+14 hoursQatif+9 hours
Aurangabad+11:30 hoursJohor Bahru+14 hoursQiqihar+14 hours
Bacolod+14 hoursKabul+10:30 hoursQuetta+11 hours
Baghdad+9 hoursKaechon+15 hoursQuezon+14 hours
Baguio City+14 hoursKaesong+15 hoursQyzylorda+12 hours
Bahawalpur+11 hoursKagoshima+15 hoursRaba+14 hours
Baku *+11 hoursKakinada+11:30 hoursRajshahi+12 hours
Balikpapan+14 hoursKalmunai+11:30 hoursRasht *+10:30 hours
Balkanabat+11 hoursKandahar+10:30 hoursRawalpindi+11 hours
Banda Aceh+13 hoursKãnpur+11:30 hoursRiffa+9 hours
Bandar-Abbas *+10:30 hoursKaohsiung+14 hoursRiyadh+9 hours
Bandar Lampung+13 hoursKapan+10 hoursSagamihara+15 hours
Bandar Seri Begawan+14 hoursKarachi+11 hoursSahiwal+11 hours
Bandung+13 hoursKarakol+12 hoursSaidpur+12 hours
Bangalore+11:30 hoursKarbala+9 hoursSalalah+10 hours
Bangkok+13 hoursKashan *+10:30 hoursSamarinda+14 hours
Banjarmasin+14 hoursKashgar+14 hoursSame+15 hours
Baoding+14 hoursKathmandu+11:45 hoursSana+9 hours
Baotou+14 hoursKawasaki+15 hoursSanandaj *+10:30 hours
Barisal+12 hoursKayseri *+9 hoursSapporo+15 hours
Barnaul+13 hoursKediri+13 hoursSargodha+11 hours
Basra+9 hoursKemerovo+13 hoursSari *+10:30 hours
Battambang+13 hoursKendari+14 hoursSasebo+15 hours
Batumi+10 hoursKerman *+10:30 hoursSavannakhet+13 hours
Baucau+15 hoursKhachmaz *+11 hoursSeeb+10 hours
Behbahan *+10:30 hoursKhamis Mushait+9 hoursSemarang+13 hours
Beijing+14 hoursKhan Yunis *+9 hoursSendai+15 hours
Beirut *+9 hoursKhanewal+11 hoursSeoul+15 hours
Bekasi+13 hoursKhatanga+14 hoursSerang+13 hours
Bengkulu+13 hoursKhon Kaen+13 hoursSeremban+14 hours
Benxi+14 hoursKhost+10:30 hoursShaki *+11 hours
Bethlehem *+9 hoursKhujand+11 hoursShamakhi *+11 hours
Bhopal+11:30 hoursKhulna+12 hoursShanghai+14 hours
Bhubaneshwar+11:30 hoursKhushab+11 hoursShantou+14 hours
Bijapur+11:30 hoursKirkuk+9 hoursSharjah+10 hours
Biratnagar+11:45 hoursKitakyushu+15 hoursShenyang+14 hours
Birjand *+10:30 hoursKobe+15 hoursShenzhen+14 hours
Bishkek+12 hoursKochi+11:30 hoursShijiazhuang+14 hours
Bodrum *+9 hoursKolkata+11:30 hoursShillong+11:30 hours
Bogor+13 hoursKomsomolsk-on-Amur+17 hoursShimla+11:30 hours
Bogra+12 hoursKonya *+9 hoursShiraz *+10:30 hours
Buraidah+9 hoursKota Kinabalu+14 hoursShirvan *+11 hours
Busan+15 hoursKowloon+14 hoursShizuoka+15 hours
Bushehr *+10:30 hoursKrasnoyarsk+14 hoursShymkent+12 hours
Cagayan de Oro+14 hoursKuala Belait+14 hoursSialkot+11 hours
Cebu City+14 hoursKuala Lumpur+14 hoursSian+14 hours
Chandpur+12 hoursKuantan+14 hoursSidon *+9 hours
Changchun+14 hoursKuching+14 hoursSihanoukville+13 hours
Changde+14 hoursKudus+13 hoursSingapore+14 hours
Changsha+14 hoursKulob+11 hoursSingaraja+14 hours
Chelyabinsk+12 hoursKumamoto+15 hoursSinuiju+15 hours
Chengdu+14 hoursKunming+14 hoursSirsa+11:30 hours
Chennai+11:30 hoursKupang+14 hoursSisian+10 hours
Cherrapunji+11:30 hoursKushiro+15 hoursSofifi+15 hours
Chiang Mai+13 hoursKutaisi+10 hoursSri Jayawardenapura Kotte+11:30 hours
Chittagong+12 hoursKuwait City+9 hoursSuai+15 hours
Choibalsan+14 hoursKyoto+15 hoursSukkur+11 hours
Chongjin+15 hoursLahore+11 hoursSulaimaniya+9 hours
Chongqing+14 hoursLanchow+14 hoursSumqayit *+11 hours
Cirebon+13 hoursLangfang+14 hoursSurabaya+13 hours
Coimbatore+11:30 hoursLankaran *+11 hoursSurakarta+13 hours
Colombo+11:30 hoursLanzhou+14 hoursSurat+11:30 hours
Comilla+12 hoursLashkar Gah+10:30 hoursSurgut+12 hours
Cần Thơ+13 hoursLatakia *+9 hoursSuzhou+14 hours
Da Nang+13 hoursLhasa+14 hoursSuzuka+15 hours
Daegu+15 hoursLuang Prabang+13 hoursSylhet+12 hours
Daejeon+15 hoursLucknow+11:30 hoursTa'izz+9 hours
Dalian+14 hoursLudhiana+11:30 hoursTabriz *+10:30 hours
Damascus *+9 hoursLunawada+11:30 hoursTaichung+14 hours
Dammam+9 hoursLuoyang+14 hoursTaipei+14 hours
Damoh+11:30 hoursMa'an *+9 hoursTaiyuan+14 hours
Daraa *+9 hoursMabalacat+14 hoursTangshan+14 hours
Darkhan+14 hoursMacau+14 hoursTanjung Pinang+13 hours
Datong+14 hoursMadiun+13 hoursTarlac City+14 hours
Davao+14 hoursMadurai+11:30 hoursTashkent+11 hours
Dawei+12:30 hoursMagadan+18 hoursTasikmalaya+13 hours
Daşoguz+11 hoursMagnitogorsk+12 hoursTbilisi+10 hours
Deir ez-Zor *+9 hoursMahabad *+10:30 hoursTegal+13 hours
Delhi+11:30 hoursMakassar+14 hoursTehran *+10:30 hours
Denpasar+14 hoursMakati+14 hoursTel Aviv *+9 hours
Dhaka+12 hoursMakkah+9 hoursTernate+15 hours
Dharamshala+11:30 hoursMalang+13 hoursThe Settlement+13 hours
Dili+15 hoursMamuju+14 hoursTheni+11:30 hours
Doha+9 hoursManado+14 hoursThimphu+12 hours
Dubai+10 hoursManama+9 hoursThiruvananthapuram+11:30 hours
Durgapur+11:30 hoursMandalay+12:30 hoursTianjin+14 hours
Dushanbe+11 hoursMangalore+11:30 hoursTiksi+16 hours
Ende+14 hoursManila+14 hoursTokyo+15 hours
Erdenet+14 hoursManokwari+15 hoursTomsk+13 hours
Esfahãn *+10:30 hoursMarawi City+14 hoursTrincomalee+11:30 hours
Faisalabad+11 hoursMary+11 hoursTripoli *+9 hours
Farah+10:30 hoursMashhad *+10:30 hoursTsingtao+14 hours
Foochow+14 hoursMataram+14 hoursTsu+15 hours
Foshan+14 hoursMatsuyama+15 hoursTulkarm *+9 hours
Fukuoka+15 hoursMawlamyine+12:30 hoursTürkmenabat+11 hours
Fukushima+15 hoursMedan+13 hoursTürkmenbaşy+11 hours
Fushun+14 hoursMedina+9 hoursTyumen+12 hours
Gangneung+15 hoursMeerut+11:30 hoursUdon Thani+13 hours
Ganja *+11 hoursMersin *+9 hoursUfa+12 hours
Gavar+10 hoursMingachevir *+11 hoursUlaanbaatar+14 hours
Gaza *+9 hoursMiri+14 hoursUlan-Ude+15 hours
Gaziantep *+9 hoursMokpo+15 hoursUlsan+15 hours
General Santos+14 hoursMosul+9 hoursUrmia *+10:30 hours
George Town+14 hoursMultan+11 hoursÜrümqi+14 hours
Ghaziabad+11:30 hoursMumbai+11:30 hoursUtsunomiya+15 hours
Gorakhpur+11:30 hoursMuscat+10 hoursVadodara+11:30 hours
Gorgan *+10:30 hoursMymensingh+12 hoursVanadzor+10 hours
Gorontalo+14 hoursNaberezhnye Chelny+10 hoursVaranasi+11:30 hours
Guangzhou+14 hoursNablus *+9 hoursVasai-Virar+11:30 hours
Guilin+14 hoursNagano+15 hoursVerkhoyansk+17 hours
Guiyang+14 hoursNagasaki+15 hoursVientiane+13 hours
Gujranwala+11 hoursNagoya+15 hoursVisakhapatnam+11:30 hours
Gunsan+15 hoursNãgpur+11:30 hoursVladivostok+17 hours
Gwangju+15 hoursNaha+15 hoursWuhan+14 hours
Gyumri+10 hoursNajaf+9 hoursXam Neua+13 hours
Hadibu+9 hoursNakhchivan *+11 hoursXankendi+10 hours
Hafar Al-Batin+9 hoursNakhon Ratchasima+13 hoursXiamen+14 hours
Hai Phong+13 hoursNakhon Sawan+13 hoursXining+14 hours
Haikou+14 hoursNalbari+11:30 hoursXinyang+14 hours
Hamamatsu+15 hoursNamangan+11 hoursXuzhou+14 hours
Hamhung+15 hoursNamp’o+15 hoursYakutsk+16 hours
Handan+14 hoursNanchang+14 hoursYangon+12:30 hours
Hangzhou+14 hoursNanjing+14 hoursYazd *+10:30 hours
Hanoi+13 hoursNanning+14 hoursYeghegnadzor+10 hours
Harbin+14 hoursNarowal+11 hoursYekaterinburg+12 hours
Hat Yai+13 hoursNashik+11:30 hoursYerevan+10 hours
Hebron *+9 hoursNasiriya+9 hoursYinchuan+14 hours
Hefei+14 hoursNaypyidaw+12:30 hoursYogyakarta+13 hours
Hilla+9 hoursNew Delhi+11:30 hoursYokohama+15 hours
Himeji+15 hoursNha Trang+13 hoursYokosuka+15 hours
Hiroshima+15 hoursNicosia *+9 hoursYuzhno-Sakhalinsk+17 hours
Hissar+11:30 hoursNiigata+15 hoursZahlé *+9 hours
Ho Chi Minh+13 hoursNizamabad+11:30 hoursZamboanga City+14 hours
Hofuf+9 hoursNizwa+10 hoursZarqa *+9 hours
Hohhot+14 hoursNorilsk+14 hoursZhengzhou+14 hours
Homs *+9 hoursNovosibirsk+13 hoursZibo+14 hours
Hong Kong+14 hoursOkayama+15 hours
Hovd+13 hoursOlongapo+14 hours
* = adjusted for daylight saving time (DST) or summer time (65 places).
UTC (GMT/Zulu)-time: Thursday, September 18, 2014 at 16:22:19
UTC is Coordinated Universal Time, GMT is Greenwich Mean Time.
Great Britain/United Kingdom is one hour ahead of UTC during summer.


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