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УкраїнськаTime difference between Portsmouth, New Hampshire, USA and other cities
Portsmouth time zone: UTC-04:00 or EDTFind out the time difference between and Portsmouth,
or see the time difference between Portsmouth and other cities in the table below.
| City and country | Time difference | City and country | Time difference |
|---|---|---|---|
| Abidjan, Cote d'Ivoire | 4 hours ahead of Portsmouth | Lahore, Pakistan | 9 hours ahead of Portsmouth |
| Abu Dhabi, United Arab Emirates | 8 hours ahead of Portsmouth | Leeds, United Kingdom | 5 hours ahead of Portsmouth |
| Abu Ghraib, Iraq | 7 hours ahead of Portsmouth | Leipzig, Germany | 6 hours ahead of Portsmouth |
| Accra, Ghana | 4 hours ahead of Portsmouth | León, Mexico | 2 hours behind Portsmouth |
| Adana, Turkey | 7 hours ahead of Portsmouth | Libreville, Gabon | 5 hours ahead of Portsmouth |
| Addis Ababa, Ethiopia | 7 hours ahead of Portsmouth | Likasi, DR Congo | 6 hours ahead of Portsmouth |
| Adelaide, Australia | 13 hours 30 minutes ahead of Portsmouth | Lilongwe, Malawi | 6 hours ahead of Portsmouth |
| Aden, Yemen | 7 hours ahead of Portsmouth | Lima, Peru | 1 hour behind Portsmouth |
| Agadir, Morocco | 5 hours ahead of Portsmouth | Lisbon, Portugal | 5 hours ahead of Portsmouth |
| Ahmedabad, India | 9 hours 30 minutes ahead of Portsmouth | Liverpool, United Kingdom | 5 hours ahead of Portsmouth |
| Ahvāz, Iran | 7 hours 30 minutes ahead of Portsmouth | Lomé, Togo | 4 hours ahead of Portsmouth |
| Al Hudaydah, Yemen | 7 hours ahead of Portsmouth | London, United Kingdom | 5 hours ahead of Portsmouth |
| Aleppo, Syria | 7 hours ahead of Portsmouth | Los Angeles, USA | 3 hours behind Portsmouth |
| Alexandria, Egypt | 7 hours ahead of Portsmouth | Luanda, Angola | 5 hours ahead of Portsmouth |
| Algiers, Algeria | 5 hours ahead of Portsmouth | Lubumbashi, DR Congo | 6 hours ahead of Portsmouth |
| Almaty, Kazakhstan | 9 hours ahead of Portsmouth | Lucknow, India | 9 hours 30 minutes ahead of Portsmouth |
| Amman, Jordan | 7 hours ahead of Portsmouth | Luhansk, Ukraine | 7 hours ahead of Portsmouth |
| Amsterdam, Netherlands | 6 hours ahead of Portsmouth | Lusaka, Zambia | 6 hours ahead of Portsmouth |
| Ankara, Turkey | 7 hours ahead of Portsmouth | Luxor, Egypt | 7 hours ahead of Portsmouth |
| Antalya, Turkey | 7 hours ahead of Portsmouth | Lviv, Ukraine | 7 hours ahead of Portsmouth |
| Antananarivo, Madagascar | 7 hours ahead of Portsmouth | Lyon, France | 6 hours ahead of Portsmouth |
| Antwerp, Belgium | 6 hours ahead of Portsmouth | Łódź, Poland | 6 hours ahead of Portsmouth |
| Arequipa, Peru | 1 hour behind Portsmouth | Macao, Macau | 12 hours ahead of Portsmouth |
| Ashgabat, Turkmenistan | 9 hours ahead of Portsmouth | Madrid, Spain | 6 hours ahead of Portsmouth |
| Asmara, Eritrea | 7 hours ahead of Portsmouth | Makassar, Indonesia | 12 hours ahead of Portsmouth |
| Asunción, Paraguay | the same time as Portsmouth | Málaga, Spain | 6 hours ahead of Portsmouth |
| Asyut, Egypt | 7 hours ahead of Portsmouth | Managua, Nicaragua | 2 hours behind Portsmouth |
| Athens, Greece | 7 hours ahead of Portsmouth | Manaus, Brazil | the same time as Portsmouth |
| Auckland, New Zealand | 16 hours ahead of Portsmouth | Mandalay, Myanmar | 10 hours 30 minutes ahead of Portsmouth |
| Austin, USA | 1 hour behind Portsmouth | Manila, Philippines | 12 hours ahead of Portsmouth |
| Bacolod City, Philippines | 12 hours ahead of Portsmouth | Mansoura, Egypt | 7 hours ahead of Portsmouth |
| Baghdad, Iraq | 7 hours ahead of Portsmouth | Maputo, Mozambique | 6 hours ahead of Portsmouth |
| Baku, Azerbaijan | 8 hours ahead of Portsmouth | Mar del Plata, Argentina | 1 hour ahead of Portsmouth |
| Baltimore, USA | the same time as Portsmouth | Maracaibo, Venezuela | the same time as Portsmouth |
| Bamako, Mali | 4 hours ahead of Portsmouth | Maracay, Venezuela | the same time as Portsmouth |
| Bandung, Indonesia | 11 hours ahead of Portsmouth | Mariupol, Ukraine | 7 hours ahead of Portsmouth |
| Bangkok, Thailand | 11 hours ahead of Portsmouth | Marrakesh, Morocco | 5 hours ahead of Portsmouth |
| Bangui, Central African Republic | 5 hours ahead of Portsmouth | Marseille, France | 6 hours ahead of Portsmouth |
| Barcelona, Venezuela | the same time as Portsmouth | Mashhad, Iran | 7 hours 30 minutes ahead of Portsmouth |
| Barcelona, Spain | 6 hours ahead of Portsmouth | Matola, Mozambique | 6 hours ahead of Portsmouth |
| Barnaul, Russia | 11 hours ahead of Portsmouth | Maturín, Venezuela | the same time as Portsmouth |
| Barquisimeto, Venezuela | the same time as Portsmouth | Mawlamyine, Myanmar | 10 hours 30 minutes ahead of Portsmouth |
| Barranquilla, Colombia | 1 hour behind Portsmouth | Mbuji-Mayi, DR Congo | 6 hours ahead of Portsmouth |
| Basrah, Iraq | 7 hours ahead of Portsmouth | Mecca, Saudi Arabia | 7 hours ahead of Portsmouth |
| Beijing, China | 12 hours ahead of Portsmouth | Medan, Indonesia | 11 hours ahead of Portsmouth |
| Beira, Mozambique | 6 hours ahead of Portsmouth | Medellín, Colombia | 1 hour behind Portsmouth |
| Beirut, Lebanon | 7 hours ahead of Portsmouth | Medina, Saudi Arabia | 7 hours ahead of Portsmouth |
| Bekasi, Indonesia | 11 hours ahead of Portsmouth | Meknes, Morocco | 5 hours ahead of Portsmouth |
| Belém, Brazil | 1 hour ahead of Portsmouth | Melbourne, Australia | 14 hours ahead of Portsmouth |
| Belgrade, Serbia | 6 hours ahead of Portsmouth | Memphis, USA | 1 hour behind Portsmouth |
| Belo Horizonte, Brazil | 1 hour ahead of Portsmouth | Mendoza, Argentina | 1 hour ahead of Portsmouth |
| Bengaluru, India | 9 hours 30 minutes ahead of Portsmouth | Mexico City, Mexico | 2 hours behind Portsmouth |
| Benghazi, Libya | 6 hours ahead of Portsmouth | Milan, Italy | 6 hours ahead of Portsmouth |
| Benin City, Nigeria | 5 hours ahead of Portsmouth | Minsk, Belarus | 7 hours ahead of Portsmouth |
| Benoni, South Africa | 6 hours ahead of Portsmouth | Mississauga, Canada | the same time as Portsmouth |
| Berlin, Germany | 6 hours ahead of Portsmouth | Mogadishu, Somalia | 7 hours ahead of Portsmouth |
| Birmingham, United Kingdom | 5 hours ahead of Portsmouth | Mombasa, Kenya | 7 hours ahead of Portsmouth |
| Bishkek, Kyrgyzstan | 10 hours ahead of Portsmouth | Monrovia, Liberia | 4 hours ahead of Portsmouth |
| Blantyre, Malawi | 6 hours ahead of Portsmouth | Monterrey, Mexico | 2 hours behind Portsmouth |
| Bogotá, Colombia | 1 hour behind Portsmouth | Montevideo, Uruguay | 1 hour ahead of Portsmouth |
| Boston, USA | the same time as Portsmouth | Montreal, Canada | the same time as Portsmouth |
| Bouaké, Cote d'Ivoire | 4 hours ahead of Portsmouth | Moscow, Russia | 7 hours ahead of Portsmouth |
| Boumerdas, Algeria | 5 hours ahead of Portsmouth | Mosul, Iraq | 7 hours ahead of Portsmouth |
| Brampton, Canada | the same time as Portsmouth | Multan, Pakistan | 9 hours ahead of Portsmouth |
| Brasília, Brazil | 1 hour ahead of Portsmouth | Mumbai, India | 9 hours 30 minutes ahead of Portsmouth |
| Bratislava, Slovakia | 6 hours ahead of Portsmouth | Munich, Germany | 6 hours ahead of Portsmouth |
| Brazzaville, Congo | 5 hours ahead of Portsmouth | Murcia, Spain | 6 hours ahead of Portsmouth |
| Bremen, Germany | 6 hours ahead of Portsmouth | Muscat, Oman | 8 hours ahead of Portsmouth |
| Brisbane, Australia | 14 hours ahead of Portsmouth | Muzaffarabad, Pakistan | 9 hours ahead of Portsmouth |
| Bristol, United Kingdom | 5 hours ahead of Portsmouth | Mwanza, Tanzania | 7 hours ahead of Portsmouth |
| Brussels, Belgium | 6 hours ahead of Portsmouth | Mykolayiv, Ukraine | 7 hours ahead of Portsmouth |
| Bucaramanga, Colombia | 1 hour behind Portsmouth | N'Djamena, Chad | 5 hours ahead of Portsmouth |
| Bucharest, Romania | 7 hours ahead of Portsmouth | Nagoya, Japan | 13 hours ahead of Portsmouth |
| Budapest, Hungary | 6 hours ahead of Portsmouth | Nagpur, India | 9 hours 30 minutes ahead of Portsmouth |
| Buenos Aires, Argentina | 1 hour ahead of Portsmouth | Nairobi, Kenya | 7 hours ahead of Portsmouth |
| Bulawayo, Zimbabwe | 6 hours ahead of Portsmouth | Najaf, Iraq | 7 hours ahead of Portsmouth |
| Bursa, Turkey | 7 hours ahead of Portsmouth | Namangan, Uzbekistan | 9 hours ahead of Portsmouth |
| Busan, South Korea | 13 hours ahead of Portsmouth | Namp'o, North Korea | 13 hours ahead of Portsmouth |
| Cairo, Egypt | 7 hours ahead of Portsmouth | Nanchong, China | 12 hours ahead of Portsmouth |
| Calgary, Canada | 2 hours behind Portsmouth | Nanjing, China | 12 hours ahead of Portsmouth |
| Callao, Peru | 1 hour behind Portsmouth | Naples, Italy | 6 hours ahead of Portsmouth |
| Cape Town, South Africa | 6 hours ahead of Portsmouth | Naypyitaw, Myanmar | 10 hours 30 minutes ahead of Portsmouth |
| Caracas, Venezuela | the same time as Portsmouth | New York, USA | the same time as Portsmouth |
| Cartagena, Colombia | 1 hour behind Portsmouth | Niamey, Niger | 5 hours ahead of Portsmouth |
| Cebu City, Philippines | 12 hours ahead of Portsmouth | Nizhny Novgorod, Russia | 7 hours ahead of Portsmouth |
| Charlotte, USA | the same time as Portsmouth | Nouakchott, Mauritania | 4 hours ahead of Portsmouth |
| Chelyabinsk, Russia | 9 hours ahead of Portsmouth | Novosibirsk, Russia | 11 hours ahead of Portsmouth |
| Chengdu, China | 12 hours ahead of Portsmouth | Nuremberg, Germany | 6 hours ahead of Portsmouth |
| Chennai, India | 9 hours 30 minutes ahead of Portsmouth | Odesa, Ukraine | 7 hours ahead of Portsmouth |
| Chicago, USA | 1 hour behind Portsmouth | Omdurman, Sudan | 6 hours ahead of Portsmouth |
| Chiclayo, Peru | 1 hour behind Portsmouth | Omsk, Russia | 10 hours ahead of Portsmouth |
| Chişinău, Moldova | 7 hours ahead of Portsmouth | Oran, Algeria | 5 hours ahead of Portsmouth |
| Chittagong, Bangladesh | 10 hours ahead of Portsmouth | Osaka, Japan | 13 hours ahead of Portsmouth |
| Chongqing, China | 12 hours ahead of Portsmouth | Oslo, Norway | 6 hours ahead of Portsmouth |
| City of Taguig, Philippines | 12 hours ahead of Portsmouth | Ottawa, Canada | the same time as Portsmouth |
| Ciudad Guayana, Venezuela | the same time as Portsmouth | Ouagadougou, Burkina Faso | 4 hours ahead of Portsmouth |
| Ciudad Juárez, Mexico | 1 hour behind Portsmouth | Palembang, Indonesia | 11 hours ahead of Portsmouth |
| Ciudad Nezahualcoyotl, Mexico | 2 hours behind Portsmouth | Palermo, Italy | 6 hours ahead of Portsmouth |
| Cochabamba, Bolivia | the same time as Portsmouth | Paris, France | 6 hours ahead of Portsmouth |
| Cologne, Germany | 6 hours ahead of Portsmouth | Patna, India | 9 hours 30 minutes ahead of Portsmouth |
| Colombo, Sri Lanka | 9 hours 30 minutes ahead of Portsmouth | Pereira, Colombia | 1 hour behind Portsmouth |
| Columbus, USA | the same time as Portsmouth | Perm, Russia | 9 hours ahead of Portsmouth |
| Conakry, Guinea | 4 hours ahead of Portsmouth | Perth, Australia | 12 hours ahead of Portsmouth |
| Constantine, Algeria | 5 hours ahead of Portsmouth | Peshawar, Pakistan | 9 hours ahead of Portsmouth |
| Copenhagen, Denmark | 6 hours ahead of Portsmouth | Petaling Jaya, Malaysia | 12 hours ahead of Portsmouth |
| Córdoba, Argentina | 1 hour ahead of Portsmouth | Philadelphia, USA | the same time as Portsmouth |
| Cotonou, Benin | 5 hours ahead of Portsmouth | Phnom Penh, Cambodia | 11 hours ahead of Portsmouth |
| Cúcuta, Colombia | 1 hour behind Portsmouth | Phoenix, USA | 3 hours behind Portsmouth |
| Curitiba, Brazil | 1 hour ahead of Portsmouth | Pietermaritzburg, South Africa | 6 hours ahead of Portsmouth |
| Da Nang, Vietnam | 11 hours ahead of Portsmouth | Pikine, Senegal | 4 hours ahead of Portsmouth |
| Daegu, South Korea | 13 hours ahead of Portsmouth | Pointe-Noire, Congo | 5 hours ahead of Portsmouth |
| Daejeon, South Korea | 13 hours ahead of Portsmouth | Port Elizabeth, South Africa | 6 hours ahead of Portsmouth |
| Dakar, Senegal | 4 hours ahead of Portsmouth | Port Harcourt, Nigeria | 5 hours ahead of Portsmouth |
| Dallas, USA | 1 hour behind Portsmouth | Port Said, Egypt | 7 hours ahead of Portsmouth |
| Damascus, Syria | 7 hours ahead of Portsmouth | Port Sudan, Sudan | 6 hours ahead of Portsmouth |
| Dammam, Saudi Arabia | 7 hours ahead of Portsmouth | Port-au-Prince, Haiti | the same time as Portsmouth |
| Dar es Salaam, Tanzania | 7 hours ahead of Portsmouth | Porto Alegre, Brazil | 1 hour ahead of Portsmouth |
| Davao City, Philippines | 12 hours ahead of Portsmouth | Poznań, Poland | 6 hours ahead of Portsmouth |
| Delhi, India | 9 hours 30 minutes ahead of Portsmouth | Prague, Czech Republic | 6 hours ahead of Portsmouth |
| Denver, USA | 2 hours behind Portsmouth | Pretoria, South Africa | 6 hours ahead of Portsmouth |
| Detroit, USA | the same time as Portsmouth | Pristina, Kosovo | 6 hours ahead of Portsmouth |
| Dhaka, Bangladesh | 10 hours ahead of Portsmouth | Puebla City, Mexico | 2 hours behind Portsmouth |
| Djibouti, Djibouti | 7 hours ahead of Portsmouth | Puente Alto, Chile | the same time as Portsmouth |
| Dnipro, Ukraine | 7 hours ahead of Portsmouth | Pune, India | 9 hours 30 minutes ahead of Portsmouth |
| Donetsk, Ukraine | 7 hours ahead of Portsmouth | Pyongyang, North Korea | 13 hours ahead of Portsmouth |
| Dongguan, China | 12 hours ahead of Portsmouth | Qom, Iran | 7 hours 30 minutes ahead of Portsmouth |
| Dortmund, Germany | 6 hours ahead of Portsmouth | Québec, Canada | the same time as Portsmouth |
| Douala, Cameroon | 5 hours ahead of Portsmouth | Quetta, Pakistan | 9 hours ahead of Portsmouth |
| Dresden, Germany | 6 hours ahead of Portsmouth | Quezon City, Philippines | 12 hours ahead of Portsmouth |
| Dubai, United Arab Emirates | 8 hours ahead of Portsmouth | Quilmes, Argentina | 1 hour ahead of Portsmouth |
| Dublin, Ireland | 5 hours ahead of Portsmouth | Quito, Ecuador | 1 hour behind Portsmouth |
| Duisburg, Germany | 6 hours ahead of Portsmouth | Rabat, Morocco | 5 hours ahead of Portsmouth |
| Durban, South Africa | 6 hours ahead of Portsmouth | Rajshahi, Bangladesh | 10 hours ahead of Portsmouth |
| Dushanbe, Tajikistan | 9 hours ahead of Portsmouth | Rawalpindi, Pakistan | 9 hours ahead of Portsmouth |
| Dusseldorf, Germany | 6 hours ahead of Portsmouth | Recife, Brazil | 1 hour ahead of Portsmouth |
| Ecatepec de Morelos, Mexico | 2 hours behind Portsmouth | Riga, Latvia | 7 hours ahead of Portsmouth |
| Edinburgh, United Kingdom | 5 hours ahead of Portsmouth | Rio de Janeiro, Brazil | 1 hour ahead of Portsmouth |
| Edmonton, Canada | 2 hours behind Portsmouth | Riyadh, Saudi Arabia | 7 hours ahead of Portsmouth |
| El Mahalla El Kubra, Egypt | 7 hours ahead of Portsmouth | Rome, Italy | 6 hours ahead of Portsmouth |
| El Paso, USA | 2 hours behind Portsmouth | Rosario, Argentina | 1 hour ahead of Portsmouth |
| Erbil, Iraq | 7 hours ahead of Portsmouth | Rostov-on-Don, Russia | 7 hours ahead of Portsmouth |
| Essen, Germany | 6 hours ahead of Portsmouth | Rotterdam, Netherlands | 6 hours ahead of Portsmouth |
| Faisalabad, Pakistan | 9 hours ahead of Portsmouth | Saint Petersburg, Russia | 7 hours ahead of Portsmouth |
| Fes, Morocco | 5 hours ahead of Portsmouth | Saitama, Japan | 13 hours ahead of Portsmouth |
| Fort Worth, USA | 1 hour behind Portsmouth | Salé, Morocco | 5 hours ahead of Portsmouth |
| Fortaleza, Brazil | 1 hour ahead of Portsmouth | Salta, Argentina | 1 hour ahead of Portsmouth |
| Frankfurt am Main, Germany | 6 hours ahead of Portsmouth | Salvador, Brazil | 1 hour ahead of Portsmouth |
| Freetown, Sierra Leone | 4 hours ahead of Portsmouth | Samara, Russia | 8 hours ahead of Portsmouth |
| Fukuoka, Japan | 13 hours ahead of Portsmouth | San Antonio, USA | 1 hour behind Portsmouth |
| Garoua, Cameroon | 5 hours ahead of Portsmouth | San Diego, USA | 3 hours behind Portsmouth |
| Gaza, Palestinian Territories | 7 hours ahead of Portsmouth | San Francisco, USA | 3 hours behind Portsmouth |
| Gaziantep, Turkey | 7 hours ahead of Portsmouth | San Jose, USA | 3 hours behind Portsmouth |
| Gdańsk, Poland | 6 hours ahead of Portsmouth | San Juan, Puerto Rico | the same time as Portsmouth |
| General Santos, Philippines | 12 hours ahead of Portsmouth | San Miguel de Tucumán, Argentina | 1 hour ahead of Portsmouth |
| Genoa, Italy | 6 hours ahead of Portsmouth | San Pedro Sula, Honduras | 2 hours behind Portsmouth |
| Giza, Egypt | 7 hours ahead of Portsmouth | San Salvador, El Salvador | 2 hours behind Portsmouth |
| Glasgow, United Kingdom | 5 hours ahead of Portsmouth | Sanaa, Yemen | 7 hours ahead of Portsmouth |
| Goiânia, Brazil | 1 hour ahead of Portsmouth | Santa Cruz de la Sierra, Bolivia | the same time as Portsmouth |
| Gold Coast, Australia | 14 hours ahead of Portsmouth | Santa Fe, Argentina | 1 hour ahead of Portsmouth |
| Gomel, Belarus | 7 hours ahead of Portsmouth | Santa Marta, Colombia | 1 hour behind Portsmouth |
| Gothenburg, Sweden | 6 hours ahead of Portsmouth | Santiago, Chile | the same time as Portsmouth |
| Goyang, South Korea | 13 hours ahead of Portsmouth | Santiago de Cali, Colombia | 1 hour behind Portsmouth |
| Guadalajara, Mexico | 2 hours behind Portsmouth | Santiago de Cuba, Cuba | the same time as Portsmouth |
| Guangzhou, China | 12 hours ahead of Portsmouth | Santiago de los Caballeros, Dominican Republic | the same time as Portsmouth |
| Guatemala City, Guatemala | 2 hours behind Portsmouth | Santo Domingo, Dominican Republic | the same time as Portsmouth |
| Guayaquil, Ecuador | 1 hour behind Portsmouth | São Paulo, Brazil | 1 hour ahead of Portsmouth |
| Gujranwala, Pakistan | 9 hours ahead of Portsmouth | Sapporo, Japan | 13 hours ahead of Portsmouth |
| Gwangju, South Korea | 13 hours ahead of Portsmouth | Sarajevo, Bosnia and Herzegovina | 6 hours ahead of Portsmouth |
| Haiphong, Vietnam | 11 hours ahead of Portsmouth | Saratov, Russia | 8 hours ahead of Portsmouth |
| Hama, Syria | 7 hours ahead of Portsmouth | Seattle, USA | 3 hours behind Portsmouth |
| Hamburg, Germany | 6 hours ahead of Portsmouth | Sendai, Japan | 13 hours ahead of Portsmouth |
| Hamhung, North Korea | 13 hours ahead of Portsmouth | Seoul, South Korea | 13 hours ahead of Portsmouth |
| Hamilton, Canada | the same time as Portsmouth | Sevastopol, Ukraine | 7 hours ahead of Portsmouth |
| Hangzhou, China | 12 hours ahead of Portsmouth | Seville, Spain | 6 hours ahead of Portsmouth |
| Hanoi, Vietnam | 11 hours ahead of Portsmouth | Shah Alam, Malaysia | 12 hours ahead of Portsmouth |
| Hanover, Germany | 6 hours ahead of Portsmouth | Shanghai, China | 12 hours ahead of Portsmouth |
| Harare, Zimbabwe | 6 hours ahead of Portsmouth | Sharjah, United Arab Emirates | 8 hours ahead of Portsmouth |
| Harbin, China | 12 hours ahead of Portsmouth | Sheffield, United Kingdom | 5 hours ahead of Portsmouth |
| Hargeysa, Somalia | 7 hours ahead of Portsmouth | Shenyang, China | 12 hours ahead of Portsmouth |
| Havana, Cuba | the same time as Portsmouth | Shenzhen, China | 12 hours ahead of Portsmouth |
| Helsinki, Finland | 7 hours ahead of Portsmouth | Shiraz, Iran | 7 hours 30 minutes ahead of Portsmouth |
| Hiroshima, Japan | 13 hours ahead of Portsmouth | Shymkent, Kazakhstan | 9 hours ahead of Portsmouth |
| Ho Chi Minh City, Vietnam | 11 hours ahead of Portsmouth | Singapore, Singapore | 12 hours ahead of Portsmouth |
| Homs, Syria | 7 hours ahead of Portsmouth | Skopje, North Macedonia | 6 hours ahead of Portsmouth |
| Hong Kong, Hong Kong | 12 hours ahead of Portsmouth | Sofia, Bulgaria | 7 hours ahead of Portsmouth |
| Houston, USA | 1 hour behind Portsmouth | Stockholm, Sweden | 6 hours ahead of Portsmouth |
| Hyderabad, India | 9 hours 30 minutes ahead of Portsmouth | Stuttgart, Germany | 6 hours ahead of Portsmouth |
| Hyderābād, Pakistan | 9 hours ahead of Portsmouth | Suez, Egypt | 7 hours ahead of Portsmouth |
| Ibadan, Nigeria | 5 hours ahead of Portsmouth | Sulaymaniyah, Iraq | 7 hours ahead of Portsmouth |
| Ibague, Colombia | 1 hour behind Portsmouth | Surabaya, Indonesia | 11 hours ahead of Portsmouth |
| Incheon, South Korea | 13 hours ahead of Portsmouth | Surat, India | 9 hours 30 minutes ahead of Portsmouth |
| Indianapolis, USA | the same time as Portsmouth | Suwon, South Korea | 13 hours ahead of Portsmouth |
| Indore, India | 9 hours 30 minutes ahead of Portsmouth | Sydney, Australia | 14 hours ahead of Portsmouth |
| Ipoh, Malaysia | 12 hours ahead of Portsmouth | Ta`izz, Yemen | 7 hours ahead of Portsmouth |
| Iquitos, Peru | 1 hour behind Portsmouth | Ta’if, Saudi Arabia | 7 hours ahead of Portsmouth |
| Irkutsk, Russia | 12 hours ahead of Portsmouth | Tabriz, Iran | 7 hours 30 minutes ahead of Portsmouth |
| Isfahan, Iran | 7 hours 30 minutes ahead of Portsmouth | Tabuk, Saudi Arabia | 7 hours ahead of Portsmouth |
| Istanbul, Turkey | 7 hours ahead of Portsmouth | Taichung, Taiwan | 12 hours ahead of Portsmouth |
| Izhevsk, Russia | 8 hours ahead of Portsmouth | Tainan City, Taiwan | 12 hours ahead of Portsmouth |
| Izmir, Turkey | 7 hours ahead of Portsmouth | Taipei, Taiwan | 12 hours ahead of Portsmouth |
| Jacksonville, USA | the same time as Portsmouth | Tangerang, Indonesia | 11 hours ahead of Portsmouth |
| Jaipur, India | 9 hours 30 minutes ahead of Portsmouth | Tangier, Morocco | 5 hours ahead of Portsmouth |
| Jakarta, Indonesia | 11 hours ahead of Portsmouth | Tashkent, Uzbekistan | 9 hours ahead of Portsmouth |
| Jeddah, Saudi Arabia | 7 hours ahead of Portsmouth | Tbilisi, Georgia | 8 hours ahead of Portsmouth |
| Jerusalem, Israel | 7 hours ahead of Portsmouth | Tébessa, Algeria | 5 hours ahead of Portsmouth |
| Johannesburg, South Africa | 6 hours ahead of Portsmouth | Tegucigalpa, Honduras | 2 hours behind Portsmouth |
| Johor Bahru, Malaysia | 12 hours ahead of Portsmouth | Tehran, Iran | 7 hours 30 minutes ahead of Portsmouth |
| Kabul, Afghanistan | 8 hours 30 minutes ahead of Portsmouth | Tembisa, South Africa | 6 hours ahead of Portsmouth |
| Kaduna, Nigeria | 5 hours ahead of Portsmouth | The Hague, Netherlands | 6 hours ahead of Portsmouth |
| Kampala, Uganda | 7 hours ahead of Portsmouth | Tianjin, China | 12 hours ahead of Portsmouth |
| Kananga, DR Congo | 6 hours ahead of Portsmouth | Tijuana, Mexico | 3 hours behind Portsmouth |
| Kano, Nigeria | 5 hours ahead of Portsmouth | Tokyo, Japan | 13 hours ahead of Portsmouth |
| Kanpur, India | 9 hours 30 minutes ahead of Portsmouth | Tolyatti, Russia | 8 hours ahead of Portsmouth |
| Kaohsiung City, Taiwan | 12 hours ahead of Portsmouth | Toronto, Canada | the same time as Portsmouth |
| Karachi, Pakistan | 9 hours ahead of Portsmouth | Touba, Senegal | 4 hours ahead of Portsmouth |
| Karagandy, Kazakhstan | 9 hours ahead of Portsmouth | Toulouse, France | 6 hours ahead of Portsmouth |
| Karaj, Iran | 7 hours 30 minutes ahead of Portsmouth | Tripoli, Libya | 6 hours ahead of Portsmouth |
| Karbala, Iraq | 7 hours ahead of Portsmouth | Trujillo, Peru | 1 hour behind Portsmouth |
| Kathmandu, Nepal | 9 hours 45 minutes ahead of Portsmouth | Tunis, Tunisia | 5 hours ahead of Portsmouth |
| Kawasaki, Japan | 13 hours ahead of Portsmouth | Turin, Italy | 6 hours ahead of Portsmouth |
| Kazan’, Russia | 7 hours ahead of Portsmouth | Ufa, Russia | 9 hours ahead of Portsmouth |
| Khabarovsk, Russia | 14 hours ahead of Portsmouth | Ulan Bator, Mongolia | 12 hours ahead of Portsmouth |
| Kharkiv, Ukraine | 7 hours ahead of Portsmouth | Ulyanovsk, Russia | 8 hours ahead of Portsmouth |
| Khartoum, Sudan | 6 hours ahead of Portsmouth | Valencia, Spain | 6 hours ahead of Portsmouth |
| Khulna, Bangladesh | 10 hours ahead of Portsmouth | Valencia, Venezuela | the same time as Portsmouth |
| Kiev, Ukraine | 7 hours ahead of Portsmouth | Vancouver, Canada | 3 hours behind Portsmouth |
| Kigali, Rwanda | 6 hours ahead of Portsmouth | Vienna, Austria | 6 hours ahead of Portsmouth |
| Kingston, Jamaica | 1 hour behind Portsmouth | Vilnius, Lithuania | 7 hours ahead of Portsmouth |
| Kinshasa, DR Congo | 5 hours ahead of Portsmouth | Vladivostok, Russia | 14 hours ahead of Portsmouth |
| Kirkuk, Iraq | 7 hours ahead of Portsmouth | Volgograd, Russia | 7 hours ahead of Portsmouth |
| Kisangani, DR Congo | 6 hours ahead of Portsmouth | Voronezh, Russia | 7 hours ahead of Portsmouth |
| Klang, Malaysia | 12 hours ahead of Portsmouth | Warsaw, Poland | 6 hours ahead of Portsmouth |
| Kobe, Japan | 13 hours ahead of Portsmouth | Washington D.C., USA | the same time as Portsmouth |
| Kolkata, India | 9 hours 30 minutes ahead of Portsmouth | White House, Morocco | 5 hours ahead of Portsmouth |
| Kolwezi, DR Congo | 6 hours ahead of Portsmouth | Winnipeg, Canada | 1 hour behind Portsmouth |
| Konya, Turkey | 7 hours ahead of Portsmouth | Wrocław, Poland | 6 hours ahead of Portsmouth |
| Kota Bharu, Malaysia | 12 hours ahead of Portsmouth | Wuhan, China | 12 hours ahead of Portsmouth |
| Kousséri, Cameroon | 5 hours ahead of Portsmouth | Xi'an, China | 12 hours ahead of Portsmouth |
| Kowloon, Hong Kong | 12 hours ahead of Portsmouth | Yangon, Myanmar | 10 hours 30 minutes ahead of Portsmouth |
| Krakow, Poland | 6 hours ahead of Portsmouth | Yaoundé, Cameroon | 5 hours ahead of Portsmouth |
| Krasnodar, Russia | 7 hours ahead of Portsmouth | Yaroslavl, Russia | 7 hours ahead of Portsmouth |
| Krasnoyarsk, Russia | 11 hours ahead of Portsmouth | Yekaterinburg, Russia | 9 hours ahead of Portsmouth |
| Kryvyi Rih, Ukraine | 7 hours ahead of Portsmouth | Yerevan, Armenia | 8 hours ahead of Portsmouth |
| Kuala Lumpur, Malaysia | 12 hours ahead of Portsmouth | Yokohama, Japan | 13 hours ahead of Portsmouth |
| Kuching, Malaysia | 12 hours ahead of Portsmouth | Zagreb, Croatia | 6 hours ahead of Portsmouth |
| Kumasi, Ghana | 4 hours ahead of Portsmouth | Zamboanga City, Philippines | 12 hours ahead of Portsmouth |
| Kyoto, Japan | 13 hours ahead of Portsmouth | Zapopan, Mexico | 2 hours behind Portsmouth |
| La Paz, Bolivia | the same time as Portsmouth | Zaporizhia, Ukraine | 7 hours ahead of Portsmouth |
| La Plata, Argentina | 1 hour ahead of Portsmouth | Zaragoza, Spain | 6 hours ahead of Portsmouth |
| Lagos, Nigeria | 5 hours ahead of Portsmouth | Zarqa, Jordan | 7 hours ahead of Portsmouth |