Local time difference with Kolkata
Time difference to major cities
| Afghanistan | |
| Kabul | -1 hour |
| Argentina | |
| Buenos Aires | -8:30 hours |
| Armenia | |
| Yerevan | -1:30 hour |
| Australia | |
| Perth | +2:30 hours |
| Darwin | +4 hours |
| Brisbane | +4:30 hours |
| Adelaide | +5 hours |
| Canberra | +5:30 hours |
| Hobart | +5:30 hours |
| Melbourne | +5:30 hours |
| Sydney | +5:30 hours |
| Austria | |
| Salzburg | -4:30 hours |
| Vienna | -4:30 hours |
| Azerbaijan | |
| Baku | -1:30 hour |
| Bahamas | |
| Nassau | -10:30 hours |
| Bangladesh | |
| Dhaka | +0:30 hours |
| Belarus | |
| Minsk | -2:30 hours |
| Belgium | |
| Brussels | -4:30 hours |
| Brazil | |
| Brasilia | -8:30 hours |
| Rio de Janeiro | -8:30 hours |
| Sao Paulo | -8:30 hours |
| Bulgaria | |
| Sofia | -3:30 hours |
| Cambodia | |
| Phnom Penh | +1:30 hour |
| Canada | |
| Vancouver | -13:30 hours |
| Calgary | -12:30 hours |
| Edmonton | -12:30 hours |
| Regina | -11:30 hours |
| Winnipeg | -11:30 hours |
| Ottawa | -10:30 hours |
| Toronto | -10:30 hours |
| Halifax | -9:30 hours |
| St. John's | -9 hours |
| Chile | |
| Santiago | -8:30 hours |
| China | |
| Beijing | +2:30 hours |
| Chengdu | +2:30 hours |
| Hong Kong | +2:30 hours |
| Macau | +2:30 hours |
| Shanghai | +2:30 hours |
| Colombia | |
| Bogota | -10:30 hours |
| Cali | -10:30 hours |
| Medellin | -10:30 hours |
| Congo | |
| Brazzaville | -4:30 hours |
| Cote d'Ivoire | |
| Abidjan | -5:30 hours |
| Croatia | |
| Zagreb | -4:30 hours |
| Czech Republic | |
| Prague | -4:30 hours |
| Democratic Republic of the Congo | |
| Kinshasa | -4:30 hours |
| Denmark | |
| Copenhagen | -4:30 hours |
| Djibouti | |
| Djibouti | -2:30 hours |
| Dominican Republic | |
| Santo Domingo | -9:30 hours |
| Ecuador | |
| Quito | -10:30 hours |
| Egypt | |
| Cairo | -3:30 hours |
| Eritrea | |
| Asmara | -2:30 hours |
| Estonia | |
| Tallinn | -3:30 hours |
| Ethiopia | |
| Addis Ababa | -2:30 hours |
| Finland | |
| Helsinki | -3:30 hours |
| France | |
| Nice | -4:30 hours |
| Paris | -4:30 hours |
| Georgia | |
| Tbilisi | -1:30 hour |
| Germany | |
| Berlin | -4:30 hours |
| Dusseldorf | -4:30 hours |
| Frankfurt | -4:30 hours |
| Hamburg | -4:30 hours |
| Munich | -4:30 hours |
| Ghana | |
| Accra | -5:30 hours |
| Greece | |
| Athens | -3:30 hours |
| Guatemala | |
| Guatemala | -11:30 hours |
| Haiti | |
| Port-au-Prince | -10:30 hours |
| Hungary | |
| Budapest | -4:30 hours |
| Iceland | |
| Reykjavik | -5:30 hours |
| India | |
| Bangalore | same time |
| Chennai | same time |
| Delhi | same time |
| Hyderabad | same time |
| Jaipur | same time |
| Mumbai | same time |
| New Delhi | same time |
| Pune | same time |
| Indonesia | |
| Jakarta | +1:30 hour |
| Iran | |
| Tehran | -2 hours |
| Iraq | |
| Baghdad | -2:30 hours |
| Ireland | |
| Dublin | -5:30 hours |
| Israel | |
| Jerusalem | -3:30 hours |
| Tel Aviv | -3:30 hours |
| Italy | |
| Milan | -4:30 hours |
| Rome | -4:30 hours |
| Venice | -4:30 hours |
| Japan | |
| Kyoto | +3:30 hours |
| Nagoya | +3:30 hours |
| Osaka | +3:30 hours |
| Tokyo | +3:30 hours |
| Jordan | |
| Amman | -2:30 hours |
| Kazakhstan | |
| Almaty | -0:30 hours |
| Astana | -0:30 hours |
| Kenya | |
| Nairobi | -2:30 hours |
| Kiribati | |
| Kiritimati | +8:30 hours |
| Kyrgyzstan | |
| Bishkek | +0:30 hours |
| Latvia | |
| Riga | -3:30 hours |
| Lebanon | |
| Beirut | -3:30 hours |
| Lithuania | |
| Vilnius | -3:30 hours |
| Luxembourg | |
| Luxembourg | -4:30 hours |
| Malaysia | |
| Kuala Lumpur | +2:30 hours |
| Marshall Islands | |
| Majuro | +6:30 hours |
| Mexico | |
| Mexicali | -13:30 hours |
| Tijuana | -13:30 hours |
| Guadalajara | -11:30 hours |
| Mexico City | -11:30 hours |
| Cancun | -10:30 hours |
| Monaco | |
| Monaco | -4:30 hours |
| Mongolia | |
| Ulaanbaatar | +2:30 hours |
| Morocco | |
| Casablanca | -4:30 hours |
| Myanmar | |
| Yangon | +1 hour |
| Nepal | |
| Kathmandu | +0:15 hours |
| Netherlands | |
| Amsterdam | -4:30 hours |
| Rotterdam | -4:30 hours |
| New Zealand | |
| Auckland | +7:30 hours |
| Christchurch | +7:30 hours |
| Wellington | +7:30 hours |
| Nicaragua | |
| Managua | -11:30 hours |
| Nigeria | |
| Abuja | -4:30 hours |
| Lagos | -4:30 hours |
| Northern Mariana Islands | |
| Saipan | +4:30 hours |
| Norway | |
| Oslo | -4:30 hours |
| Oman | |
| Muscat | -1:30 hour |
| Pakistan | |
| Islamabad | -0:30 hours |
| Karachi | -0:30 hours |
| Lahore | -0:30 hours |
| Panama | |
| Panama | -10:30 hours |
| Peru | |
| Lima | -10:30 hours |
| Philippines | |
| Manila | +2:30 hours |
| Poland | |
| Krakow | -4:30 hours |
| Warsaw | -4:30 hours |
| Wroclaw | -4:30 hours |
| Portugal | |
| Lisbon | -5:30 hours |
| Puerto Rico | |
| San Juan | -9:30 hours |
| Qatar | |
| Doha | -2:30 hours |
| Romania | |
| Bucharest | -3:30 hours |
| Russia | |
| Moscow | -2:30 hours |
| Saint-Peterburg | -2:30 hours |
| Chelyabinsk | -0:30 hours |
| Yekaterinburg | -0:30 hours |
| Krasnoyarsk | +1:30 hour |
| Novosibirsk | +1:30 hour |
| Vladivostok | +4:30 hours |
| Rwanda | |
| Kigali | -3:30 hours |
| Saudi Arabia | |
| Jeddah | -2:30 hours |
| Mecca | -2:30 hours |
| Riyadh | -2:30 hours |
| Senegal | |
| Dakar | -5:30 hours |
| Serbia | |
| Belgrade | -4:30 hours |
| Singapore | |
| Singapore | +2:30 hours |
| Slovakia | |
| Bratislava | -4:30 hours |
| South Africa | |
| Cape Town | -3:30 hours |
| Johannesburg | -3:30 hours |
| Pretoria | -3:30 hours |
| South Korea | |
| Seoul | +3:30 hours |
| Spain | |
| Barcelona | -4:30 hours |
| Madrid | -4:30 hours |
| Sri Lanka | |
| Colombo | same time |
| Sudan | |
| Khartoum | -3:30 hours |
| Sweden | |
| Stockholm | -4:30 hours |
| Switzerland | |
| Bern | -4:30 hours |
| Geneva | -4:30 hours |
| Lausanne | -4:30 hours |
| Zurich | -4:30 hours |
| Syria | |
| Damascus | -2:30 hours |
| Taiwan | |
| Taipei | +2:30 hours |
| Tanzania | |
| Dar es Salaam | -2:30 hours |
| Thailand | |
| Bangkok | +1:30 hour |
| Togo | |
| Lome | -5:30 hours |
| Tunisia | |
| Tunis | -4:30 hours |
| Turkey | |
| Ankara | -2:30 hours |
| Istanbul | -2:30 hours |
| Uganda | |
| Kampala | -2:30 hours |
| Ukraine | |
| Odesa | -3:30 hours |
| United Arab Emirates | |
| Abu Dhabi | -1:30 hour |
| Dubai | -1:30 hour |
| United Kingdom | |
| Belfast | -5:30 hours |
| Birmingham | -5:30 hours |
| Edinburgh | -5:30 hours |
| Glasgow | -5:30 hours |
| Liverpool | -5:30 hours |
| London | -5:30 hours |
| United States | |
| Honolulu | -15:30 hours |
| Anchorage | -14:30 hours |
| Anaheim | -13:30 hours |
| Las Vegas | -13:30 hours |
| Los Angeles | -13:30 hours |
| Oakland | -13:30 hours |
| Portland | -13:30 hours |
| Sacramento | -13:30 hours |
| San Diego | -13:30 hours |
| San Francisco | -13:30 hours |
| San Jose | -13:30 hours |
| Seattle | -13:30 hours |
| Stockton | -13:30 hours |
| Albuquerque | -12:30 hours |
| Boise | -12:30 hours |
| Denver | -12:30 hours |
| El Paso | -12:30 hours |
| Phoenix | -12:30 hours |
| Salt Lake City | -12:30 hours |
| Santa Fe | -12:30 hours |
| Tucson | -12:30 hours |
| Arlington | -11:30 hours |
| Austin | -11:30 hours |
| Baton Rouge | -11:30 hours |
| Chicago | -11:30 hours |
| Dallas | -11:30 hours |
| Des Moines | -11:30 hours |
| Fort Worth | -11:30 hours |
| Houston | -11:30 hours |
| Kansas City | -11:30 hours |
| Little Rock | -11:30 hours |
| Madison | -11:30 hours |
| Memphis | -11:30 hours |
| Milwaukee | -11:30 hours |
| Minneapolis | -11:30 hours |
| Nashville | -11:30 hours |
| New Orleans | -11:30 hours |
| Oklahoma City | -11:30 hours |
| San Antonio | -11:30 hours |
| Sioux Falls | -11:30 hours |
| St. Louis | -11:30 hours |
| Wichita | -11:30 hours |
| Atlanta | -10:30 hours |
| Baltimore | -10:30 hours |
| Boston | -10:30 hours |
| Charlotte | -10:30 hours |
| Cincinnati | -10:30 hours |
| Cleveland | -10:30 hours |
| Columbia | -10:30 hours |
| Columbus | -10:30 hours |
| Detroit | -10:30 hours |
| Indianapolis | -10:30 hours |
| Knoxville | -10:30 hours |
| Louisville | -10:30 hours |
| Miami | -10:30 hours |
| New York | -10:30 hours |
| Newark | -10:30 hours |
| Philadelphia | -10:30 hours |
| Pittsburgh | -10:30 hours |
| Raleigh | -10:30 hours |
| Tampa | -10:30 hours |
| Virginia Beach | -10:30 hours |
| Washington | -10:30 hours |
| Guam | +4:30 hours |
| Uruguay | |
| Montevideo | -8:30 hours |
| Uzbekistan | |
| Tashkent | -0:30 hours |
| Venezuela | |
| Caracas | -9:30 hours |
| Vietnam | |
| Hanoi | +1:30 hour |
| Zambia | |
| Lusaka | -3:30 hours |
Time difference to major time zones
| ACDT | +5 hours | GST | -1:30 hour |
| AEDT | +5:30 hours | HAST | -15:30 hours |
| AEST | +4:30 hours | IST | same time |
| AKDT | -13:30 hours | JST | +3:30 hours |
| AMT | -9:30 hours | KST | +3:30 hours |
| AST | -9:30 hours | MDT | -11:30 hours |
| BDT | +2:30 hours | MIST | +5:30 hours |
| BNT | +2:30 hours | MST | -12:30 hours |
| BOT | -9:30 hours | NDT | -8 hours |
| BRST | -7:30 hours | NPT | +0:15 hours |
| BST | -4:30 hours | NRT | +6:30 hours |
| CCT | +1 hour | NST | -9 hours |
| CDT | -10:30 hours | NZST | +6:30 hours |
| CEST | -3:30 hours | PDT | -12:30 hours |
| CET | -4:30 hours | PHT | +2:30 hours |
| CLST | -8:30 hours | PKT | -0:30 hours |
| COST | -9:30 hours | PST | -13:30 hours |
| COT | -10:30 hours | PT | -13:30 hours |
| CST | -11:30 hours | SRT | -8:30 hours |
| CT | -11:30 hours | SST | -16:30 hours |
| EDT | -9:30 hours | TOT | +7:30 hours |
| EST | -10:30 hours | UTC | -5:30 hours |
| ET | -10:30 hours | WAST | -3:30 hours |
| GMT | -5:30 hours |