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УкраїнськаTime difference between Portmarnock, Ireland and other cities
Portmarnock time zone: UTC+01:00 or ISTFind out the time difference between and Portmarnock,
or see the time difference between Portmarnock and other cities in the table below.
| City and country | Time difference | City and country | Time difference |
|---|---|---|---|
| Abidjan, Cote d'Ivoire | 1 hour behind Portmarnock | Lahore, Pakistan | 4 hours ahead of Portmarnock |
| Abu Dhabi, United Arab Emirates | 3 hours ahead of Portmarnock | Leeds, United Kingdom | the same time as Portmarnock |
| Abu Ghraib, Iraq | 2 hours ahead of Portmarnock | Leipzig, Germany | 1 hour ahead of Portmarnock |
| Accra, Ghana | 1 hour behind Portmarnock | León, Mexico | 7 hours behind Portmarnock |
| Adana, Turkey | 2 hours ahead of Portmarnock | Libreville, Gabon | the same time as Portmarnock |
| Addis Ababa, Ethiopia | 2 hours ahead of Portmarnock | Likasi, DR Congo | 1 hour ahead of Portmarnock |
| Adelaide, Australia | 8 hours 30 minutes ahead of Portmarnock | Lilongwe, Malawi | 1 hour ahead of Portmarnock |
| Aden, Yemen | 2 hours ahead of Portmarnock | Lima, Peru | 6 hours behind Portmarnock |
| Agadir, Morocco | the same time as Portmarnock | Lisbon, Portugal | the same time as Portmarnock |
| Ahmedabad, India | 4 hours 30 minutes ahead of Portmarnock | Liverpool, United Kingdom | the same time as Portmarnock |
| Ahvāz, Iran | 2 hours 30 minutes ahead of Portmarnock | Lomé, Togo | 1 hour behind Portmarnock |
| Al Hudaydah, Yemen | 2 hours ahead of Portmarnock | London, United Kingdom | the same time as Portmarnock |
| Aleppo, Syria | 2 hours ahead of Portmarnock | Los Angeles, USA | 8 hours behind Portmarnock |
| Alexandria, Egypt | 2 hours ahead of Portmarnock | Luanda, Angola | the same time as Portmarnock |
| Algiers, Algeria | the same time as Portmarnock | Lubumbashi, DR Congo | 1 hour ahead of Portmarnock |
| Almaty, Kazakhstan | 4 hours ahead of Portmarnock | Lucknow, India | 4 hours 30 minutes ahead of Portmarnock |
| Amman, Jordan | 2 hours ahead of Portmarnock | Luhansk, Ukraine | 2 hours ahead of Portmarnock |
| Amsterdam, Netherlands | 1 hour ahead of Portmarnock | Lusaka, Zambia | 1 hour ahead of Portmarnock |
| Ankara, Turkey | 2 hours ahead of Portmarnock | Luxor, Egypt | 2 hours ahead of Portmarnock |
| Antalya, Turkey | 2 hours ahead of Portmarnock | Lviv, Ukraine | 2 hours ahead of Portmarnock |
| Antananarivo, Madagascar | 2 hours ahead of Portmarnock | Lyon, France | 1 hour ahead of Portmarnock |
| Antwerp, Belgium | 1 hour ahead of Portmarnock | Łódź, Poland | 1 hour ahead of Portmarnock |
| Arequipa, Peru | 6 hours behind Portmarnock | Macao, Macau | 7 hours ahead of Portmarnock |
| Ashgabat, Turkmenistan | 4 hours ahead of Portmarnock | Madrid, Spain | 1 hour ahead of Portmarnock |
| Asmara, Eritrea | 2 hours ahead of Portmarnock | Makassar, Indonesia | 7 hours ahead of Portmarnock |
| Asunción, Paraguay | 5 hours behind Portmarnock | Málaga, Spain | 1 hour ahead of Portmarnock |
| Asyut, Egypt | 2 hours ahead of Portmarnock | Managua, Nicaragua | 7 hours behind Portmarnock |
| Athens, Greece | 2 hours ahead of Portmarnock | Manaus, Brazil | 5 hours behind Portmarnock |
| Auckland, New Zealand | 11 hours ahead of Portmarnock | Mandalay, Myanmar | 5 hours 30 minutes ahead of Portmarnock |
| Austin, USA | 6 hours behind Portmarnock | Manila, Philippines | 7 hours ahead of Portmarnock |
| Bacolod City, Philippines | 7 hours ahead of Portmarnock | Mansoura, Egypt | 2 hours ahead of Portmarnock |
| Baghdad, Iraq | 2 hours ahead of Portmarnock | Maputo, Mozambique | 1 hour ahead of Portmarnock |
| Baku, Azerbaijan | 3 hours ahead of Portmarnock | Mar del Plata, Argentina | 4 hours behind Portmarnock |
| Baltimore, USA | 5 hours behind Portmarnock | Maracaibo, Venezuela | 5 hours behind Portmarnock |
| Bamako, Mali | 1 hour behind Portmarnock | Maracay, Venezuela | 5 hours behind Portmarnock |
| Bandung, Indonesia | 6 hours ahead of Portmarnock | Mariupol, Ukraine | 2 hours ahead of Portmarnock |
| Bangkok, Thailand | 6 hours ahead of Portmarnock | Marrakesh, Morocco | the same time as Portmarnock |
| Bangui, Central African Republic | the same time as Portmarnock | Marseille, France | 1 hour ahead of Portmarnock |
| Barcelona, Venezuela | 5 hours behind Portmarnock | Mashhad, Iran | 2 hours 30 minutes ahead of Portmarnock |
| Barcelona, Spain | 1 hour ahead of Portmarnock | Matola, Mozambique | 1 hour ahead of Portmarnock |
| Barnaul, Russia | 6 hours ahead of Portmarnock | Maturín, Venezuela | 5 hours behind Portmarnock |
| Barquisimeto, Venezuela | 5 hours behind Portmarnock | Mawlamyine, Myanmar | 5 hours 30 minutes ahead of Portmarnock |
| Barranquilla, Colombia | 6 hours behind Portmarnock | Mbuji-Mayi, DR Congo | 1 hour ahead of Portmarnock |
| Basrah, Iraq | 2 hours ahead of Portmarnock | Mecca, Saudi Arabia | 2 hours ahead of Portmarnock |
| Beijing, China | 7 hours ahead of Portmarnock | Medan, Indonesia | 6 hours ahead of Portmarnock |
| Beira, Mozambique | 1 hour ahead of Portmarnock | Medellín, Colombia | 6 hours behind Portmarnock |
| Beirut, Lebanon | 2 hours ahead of Portmarnock | Medina, Saudi Arabia | 2 hours ahead of Portmarnock |
| Bekasi, Indonesia | 6 hours ahead of Portmarnock | Meknes, Morocco | the same time as Portmarnock |
| Belém, Brazil | 4 hours behind Portmarnock | Melbourne, Australia | 9 hours ahead of Portmarnock |
| Belgrade, Serbia | 1 hour ahead of Portmarnock | Memphis, USA | 6 hours behind Portmarnock |
| Belo Horizonte, Brazil | 4 hours behind Portmarnock | Mendoza, Argentina | 4 hours behind Portmarnock |
| Bengaluru, India | 4 hours 30 minutes ahead of Portmarnock | Mexico City, Mexico | 7 hours behind Portmarnock |
| Benghazi, Libya | 1 hour ahead of Portmarnock | Milan, Italy | 1 hour ahead of Portmarnock |
| Benin City, Nigeria | the same time as Portmarnock | Minsk, Belarus | 2 hours ahead of Portmarnock |
| Benoni, South Africa | 1 hour ahead of Portmarnock | Mississauga, Canada | 5 hours behind Portmarnock |
| Berlin, Germany | 1 hour ahead of Portmarnock | Mogadishu, Somalia | 2 hours ahead of Portmarnock |
| Birmingham, United Kingdom | the same time as Portmarnock | Mombasa, Kenya | 2 hours ahead of Portmarnock |
| Bishkek, Kyrgyzstan | 5 hours ahead of Portmarnock | Monrovia, Liberia | 1 hour behind Portmarnock |
| Blantyre, Malawi | 1 hour ahead of Portmarnock | Monterrey, Mexico | 7 hours behind Portmarnock |
| Bogotá, Colombia | 6 hours behind Portmarnock | Montevideo, Uruguay | 4 hours behind Portmarnock |
| Boston, USA | 5 hours behind Portmarnock | Montreal, Canada | 5 hours behind Portmarnock |
| Bouaké, Cote d'Ivoire | 1 hour behind Portmarnock | Moscow, Russia | 2 hours ahead of Portmarnock |
| Boumerdas, Algeria | the same time as Portmarnock | Mosul, Iraq | 2 hours ahead of Portmarnock |
| Brampton, Canada | 5 hours behind Portmarnock | Multan, Pakistan | 4 hours ahead of Portmarnock |
| Brasília, Brazil | 4 hours behind Portmarnock | Mumbai, India | 4 hours 30 minutes ahead of Portmarnock |
| Bratislava, Slovakia | 1 hour ahead of Portmarnock | Munich, Germany | 1 hour ahead of Portmarnock |
| Brazzaville, Congo | the same time as Portmarnock | Murcia, Spain | 1 hour ahead of Portmarnock |
| Bremen, Germany | 1 hour ahead of Portmarnock | Muscat, Oman | 3 hours ahead of Portmarnock |
| Brisbane, Australia | 9 hours ahead of Portmarnock | Muzaffarabad, Pakistan | 4 hours ahead of Portmarnock |
| Bristol, United Kingdom | the same time as Portmarnock | Mwanza, Tanzania | 2 hours ahead of Portmarnock |
| Brussels, Belgium | 1 hour ahead of Portmarnock | Mykolayiv, Ukraine | 2 hours ahead of Portmarnock |
| Bucaramanga, Colombia | 6 hours behind Portmarnock | N'Djamena, Chad | the same time as Portmarnock |
| Bucharest, Romania | 2 hours ahead of Portmarnock | Nagoya, Japan | 8 hours ahead of Portmarnock |
| Budapest, Hungary | 1 hour ahead of Portmarnock | Nagpur, India | 4 hours 30 minutes ahead of Portmarnock |
| Buenos Aires, Argentina | 4 hours behind Portmarnock | Nairobi, Kenya | 2 hours ahead of Portmarnock |
| Bulawayo, Zimbabwe | 1 hour ahead of Portmarnock | Najaf, Iraq | 2 hours ahead of Portmarnock |
| Bursa, Turkey | 2 hours ahead of Portmarnock | Namangan, Uzbekistan | 4 hours ahead of Portmarnock |
| Busan, South Korea | 8 hours ahead of Portmarnock | Namp'o, North Korea | 8 hours ahead of Portmarnock |
| Cairo, Egypt | 2 hours ahead of Portmarnock | Nanchong, China | 7 hours ahead of Portmarnock |
| Calgary, Canada | 7 hours behind Portmarnock | Nanjing, China | 7 hours ahead of Portmarnock |
| Callao, Peru | 6 hours behind Portmarnock | Naples, Italy | 1 hour ahead of Portmarnock |
| Cape Town, South Africa | 1 hour ahead of Portmarnock | Naypyitaw, Myanmar | 5 hours 30 minutes ahead of Portmarnock |
| Caracas, Venezuela | 5 hours behind Portmarnock | New York, USA | 5 hours behind Portmarnock |
| Cartagena, Colombia | 6 hours behind Portmarnock | Niamey, Niger | the same time as Portmarnock |
| Cebu City, Philippines | 7 hours ahead of Portmarnock | Nizhny Novgorod, Russia | 2 hours ahead of Portmarnock |
| Charlotte, USA | 5 hours behind Portmarnock | Nouakchott, Mauritania | 1 hour behind Portmarnock |
| Chelyabinsk, Russia | 4 hours ahead of Portmarnock | Novosibirsk, Russia | 6 hours ahead of Portmarnock |
| Chengdu, China | 7 hours ahead of Portmarnock | Nuremberg, Germany | 1 hour ahead of Portmarnock |
| Chennai, India | 4 hours 30 minutes ahead of Portmarnock | Odesa, Ukraine | 2 hours ahead of Portmarnock |
| Chicago, USA | 6 hours behind Portmarnock | Omdurman, Sudan | 1 hour ahead of Portmarnock |
| Chiclayo, Peru | 6 hours behind Portmarnock | Omsk, Russia | 5 hours ahead of Portmarnock |
| Chişinău, Moldova | 2 hours ahead of Portmarnock | Oran, Algeria | the same time as Portmarnock |
| Chittagong, Bangladesh | 5 hours ahead of Portmarnock | Osaka, Japan | 8 hours ahead of Portmarnock |
| Chongqing, China | 7 hours ahead of Portmarnock | Oslo, Norway | 1 hour ahead of Portmarnock |
| City of Taguig, Philippines | 7 hours ahead of Portmarnock | Ottawa, Canada | 5 hours behind Portmarnock |
| Ciudad Guayana, Venezuela | 5 hours behind Portmarnock | Ouagadougou, Burkina Faso | 1 hour behind Portmarnock |
| Ciudad Juárez, Mexico | 6 hours behind Portmarnock | Palembang, Indonesia | 6 hours ahead of Portmarnock |
| Ciudad Nezahualcoyotl, Mexico | 7 hours behind Portmarnock | Palermo, Italy | 1 hour ahead of Portmarnock |
| Cochabamba, Bolivia | 5 hours behind Portmarnock | Paris, France | 1 hour ahead of Portmarnock |
| Cologne, Germany | 1 hour ahead of Portmarnock | Patna, India | 4 hours 30 minutes ahead of Portmarnock |
| Colombo, Sri Lanka | 4 hours 30 minutes ahead of Portmarnock | Pereira, Colombia | 6 hours behind Portmarnock |
| Columbus, USA | 5 hours behind Portmarnock | Perm, Russia | 4 hours ahead of Portmarnock |
| Conakry, Guinea | 1 hour behind Portmarnock | Perth, Australia | 7 hours ahead of Portmarnock |
| Constantine, Algeria | the same time as Portmarnock | Peshawar, Pakistan | 4 hours ahead of Portmarnock |
| Copenhagen, Denmark | 1 hour ahead of Portmarnock | Petaling Jaya, Malaysia | 7 hours ahead of Portmarnock |
| Córdoba, Argentina | 4 hours behind Portmarnock | Philadelphia, USA | 5 hours behind Portmarnock |
| Cotonou, Benin | the same time as Portmarnock | Phnom Penh, Cambodia | 6 hours ahead of Portmarnock |
| Cúcuta, Colombia | 6 hours behind Portmarnock | Phoenix, USA | 8 hours behind Portmarnock |
| Curitiba, Brazil | 4 hours behind Portmarnock | Pietermaritzburg, South Africa | 1 hour ahead of Portmarnock |
| Da Nang, Vietnam | 6 hours ahead of Portmarnock | Pikine, Senegal | 1 hour behind Portmarnock |
| Daegu, South Korea | 8 hours ahead of Portmarnock | Pointe-Noire, Congo | the same time as Portmarnock |
| Daejeon, South Korea | 8 hours ahead of Portmarnock | Port Elizabeth, South Africa | 1 hour ahead of Portmarnock |
| Dakar, Senegal | 1 hour behind Portmarnock | Port Harcourt, Nigeria | the same time as Portmarnock |
| Dallas, USA | 6 hours behind Portmarnock | Port Said, Egypt | 2 hours ahead of Portmarnock |
| Damascus, Syria | 2 hours ahead of Portmarnock | Port Sudan, Sudan | 1 hour ahead of Portmarnock |
| Dammam, Saudi Arabia | 2 hours ahead of Portmarnock | Port-au-Prince, Haiti | 5 hours behind Portmarnock |
| Dar es Salaam, Tanzania | 2 hours ahead of Portmarnock | Porto Alegre, Brazil | 4 hours behind Portmarnock |
| Davao City, Philippines | 7 hours ahead of Portmarnock | Poznań, Poland | 1 hour ahead of Portmarnock |
| Delhi, India | 4 hours 30 minutes ahead of Portmarnock | Prague, Czech Republic | 1 hour ahead of Portmarnock |
| Denver, USA | 7 hours behind Portmarnock | Pretoria, South Africa | 1 hour ahead of Portmarnock |
| Detroit, USA | 5 hours behind Portmarnock | Pristina, Kosovo | 1 hour ahead of Portmarnock |
| Dhaka, Bangladesh | 5 hours ahead of Portmarnock | Puebla City, Mexico | 7 hours behind Portmarnock |
| Djibouti, Djibouti | 2 hours ahead of Portmarnock | Puente Alto, Chile | 5 hours behind Portmarnock |
| Dnipro, Ukraine | 2 hours ahead of Portmarnock | Pune, India | 4 hours 30 minutes ahead of Portmarnock |
| Donetsk, Ukraine | 2 hours ahead of Portmarnock | Pyongyang, North Korea | 8 hours ahead of Portmarnock |
| Dongguan, China | 7 hours ahead of Portmarnock | Qom, Iran | 2 hours 30 minutes ahead of Portmarnock |
| Dortmund, Germany | 1 hour ahead of Portmarnock | Québec, Canada | 5 hours behind Portmarnock |
| Douala, Cameroon | the same time as Portmarnock | Quetta, Pakistan | 4 hours ahead of Portmarnock |
| Dresden, Germany | 1 hour ahead of Portmarnock | Quezon City, Philippines | 7 hours ahead of Portmarnock |
| Dubai, United Arab Emirates | 3 hours ahead of Portmarnock | Quilmes, Argentina | 4 hours behind Portmarnock |
| Dublin, Ireland | the same time as Portmarnock | Quito, Ecuador | 6 hours behind Portmarnock |
| Duisburg, Germany | 1 hour ahead of Portmarnock | Rabat, Morocco | the same time as Portmarnock |
| Durban, South Africa | 1 hour ahead of Portmarnock | Rajshahi, Bangladesh | 5 hours ahead of Portmarnock |
| Dushanbe, Tajikistan | 4 hours ahead of Portmarnock | Rawalpindi, Pakistan | 4 hours ahead of Portmarnock |
| Dusseldorf, Germany | 1 hour ahead of Portmarnock | Recife, Brazil | 4 hours behind Portmarnock |
| Ecatepec de Morelos, Mexico | 7 hours behind Portmarnock | Riga, Latvia | 2 hours ahead of Portmarnock |
| Edinburgh, United Kingdom | the same time as Portmarnock | Rio de Janeiro, Brazil | 4 hours behind Portmarnock |
| Edmonton, Canada | 7 hours behind Portmarnock | Riyadh, Saudi Arabia | 2 hours ahead of Portmarnock |
| El Mahalla El Kubra, Egypt | 2 hours ahead of Portmarnock | Rome, Italy | 1 hour ahead of Portmarnock |
| El Paso, USA | 7 hours behind Portmarnock | Rosario, Argentina | 4 hours behind Portmarnock |
| Erbil, Iraq | 2 hours ahead of Portmarnock | Rostov-on-Don, Russia | 2 hours ahead of Portmarnock |
| Essen, Germany | 1 hour ahead of Portmarnock | Rotterdam, Netherlands | 1 hour ahead of Portmarnock |
| Faisalabad, Pakistan | 4 hours ahead of Portmarnock | Saint Petersburg, Russia | 2 hours ahead of Portmarnock |
| Fes, Morocco | the same time as Portmarnock | Saitama, Japan | 8 hours ahead of Portmarnock |
| Fort Worth, USA | 6 hours behind Portmarnock | Salé, Morocco | the same time as Portmarnock |
| Fortaleza, Brazil | 4 hours behind Portmarnock | Salta, Argentina | 4 hours behind Portmarnock |
| Frankfurt am Main, Germany | 1 hour ahead of Portmarnock | Salvador, Brazil | 4 hours behind Portmarnock |
| Freetown, Sierra Leone | 1 hour behind Portmarnock | Samara, Russia | 3 hours ahead of Portmarnock |
| Fukuoka, Japan | 8 hours ahead of Portmarnock | San Antonio, USA | 6 hours behind Portmarnock |
| Garoua, Cameroon | the same time as Portmarnock | San Diego, USA | 8 hours behind Portmarnock |
| Gaza, Palestinian Territories | 2 hours ahead of Portmarnock | San Francisco, USA | 8 hours behind Portmarnock |
| Gaziantep, Turkey | 2 hours ahead of Portmarnock | San Jose, USA | 8 hours behind Portmarnock |
| Gdańsk, Poland | 1 hour ahead of Portmarnock | San Juan, Puerto Rico | 5 hours behind Portmarnock |
| General Santos, Philippines | 7 hours ahead of Portmarnock | San Miguel de Tucumán, Argentina | 4 hours behind Portmarnock |
| Genoa, Italy | 1 hour ahead of Portmarnock | San Pedro Sula, Honduras | 7 hours behind Portmarnock |
| Giza, Egypt | 2 hours ahead of Portmarnock | San Salvador, El Salvador | 7 hours behind Portmarnock |
| Glasgow, United Kingdom | the same time as Portmarnock | Sanaa, Yemen | 2 hours ahead of Portmarnock |
| Goiânia, Brazil | 4 hours behind Portmarnock | Santa Cruz de la Sierra, Bolivia | 5 hours behind Portmarnock |
| Gold Coast, Australia | 9 hours ahead of Portmarnock | Santa Fe, Argentina | 4 hours behind Portmarnock |
| Gomel, Belarus | 2 hours ahead of Portmarnock | Santa Marta, Colombia | 6 hours behind Portmarnock |
| Gothenburg, Sweden | 1 hour ahead of Portmarnock | Santiago, Chile | 5 hours behind Portmarnock |
| Goyang, South Korea | 8 hours ahead of Portmarnock | Santiago de Cali, Colombia | 6 hours behind Portmarnock |
| Guadalajara, Mexico | 7 hours behind Portmarnock | Santiago de Cuba, Cuba | 5 hours behind Portmarnock |
| Guangzhou, China | 7 hours ahead of Portmarnock | Santiago de los Caballeros, Dominican Republic | 5 hours behind Portmarnock |
| Guatemala City, Guatemala | 7 hours behind Portmarnock | Santo Domingo, Dominican Republic | 5 hours behind Portmarnock |
| Guayaquil, Ecuador | 6 hours behind Portmarnock | São Paulo, Brazil | 4 hours behind Portmarnock |
| Gujranwala, Pakistan | 4 hours ahead of Portmarnock | Sapporo, Japan | 8 hours ahead of Portmarnock |
| Gwangju, South Korea | 8 hours ahead of Portmarnock | Sarajevo, Bosnia and Herzegovina | 1 hour ahead of Portmarnock |
| Haiphong, Vietnam | 6 hours ahead of Portmarnock | Saratov, Russia | 3 hours ahead of Portmarnock |
| Hama, Syria | 2 hours ahead of Portmarnock | Seattle, USA | 8 hours behind Portmarnock |
| Hamburg, Germany | 1 hour ahead of Portmarnock | Sendai, Japan | 8 hours ahead of Portmarnock |
| Hamhung, North Korea | 8 hours ahead of Portmarnock | Seoul, South Korea | 8 hours ahead of Portmarnock |
| Hamilton, Canada | 5 hours behind Portmarnock | Sevastopol, Ukraine | 2 hours ahead of Portmarnock |
| Hangzhou, China | 7 hours ahead of Portmarnock | Seville, Spain | 1 hour ahead of Portmarnock |
| Hanoi, Vietnam | 6 hours ahead of Portmarnock | Shah Alam, Malaysia | 7 hours ahead of Portmarnock |
| Hanover, Germany | 1 hour ahead of Portmarnock | Shanghai, China | 7 hours ahead of Portmarnock |
| Harare, Zimbabwe | 1 hour ahead of Portmarnock | Sharjah, United Arab Emirates | 3 hours ahead of Portmarnock |
| Harbin, China | 7 hours ahead of Portmarnock | Sheffield, United Kingdom | the same time as Portmarnock |
| Hargeysa, Somalia | 2 hours ahead of Portmarnock | Shenyang, China | 7 hours ahead of Portmarnock |
| Havana, Cuba | 5 hours behind Portmarnock | Shenzhen, China | 7 hours ahead of Portmarnock |
| Helsinki, Finland | 2 hours ahead of Portmarnock | Shiraz, Iran | 2 hours 30 minutes ahead of Portmarnock |
| Hiroshima, Japan | 8 hours ahead of Portmarnock | Shymkent, Kazakhstan | 4 hours ahead of Portmarnock |
| Ho Chi Minh City, Vietnam | 6 hours ahead of Portmarnock | Singapore, Singapore | 7 hours ahead of Portmarnock |
| Homs, Syria | 2 hours ahead of Portmarnock | Skopje, North Macedonia | 1 hour ahead of Portmarnock |
| Hong Kong, Hong Kong | 7 hours ahead of Portmarnock | Sofia, Bulgaria | 2 hours ahead of Portmarnock |
| Houston, USA | 6 hours behind Portmarnock | Stockholm, Sweden | 1 hour ahead of Portmarnock |
| Hyderabad, India | 4 hours 30 minutes ahead of Portmarnock | Stuttgart, Germany | 1 hour ahead of Portmarnock |
| Hyderābād, Pakistan | 4 hours ahead of Portmarnock | Suez, Egypt | 2 hours ahead of Portmarnock |
| Ibadan, Nigeria | the same time as Portmarnock | Sulaymaniyah, Iraq | 2 hours ahead of Portmarnock |
| Ibague, Colombia | 6 hours behind Portmarnock | Surabaya, Indonesia | 6 hours ahead of Portmarnock |
| Incheon, South Korea | 8 hours ahead of Portmarnock | Surat, India | 4 hours 30 minutes ahead of Portmarnock |
| Indianapolis, USA | 5 hours behind Portmarnock | Suwon, South Korea | 8 hours ahead of Portmarnock |
| Indore, India | 4 hours 30 minutes ahead of Portmarnock | Sydney, Australia | 9 hours ahead of Portmarnock |
| Ipoh, Malaysia | 7 hours ahead of Portmarnock | Ta`izz, Yemen | 2 hours ahead of Portmarnock |
| Iquitos, Peru | 6 hours behind Portmarnock | Ta’if, Saudi Arabia | 2 hours ahead of Portmarnock |
| Irkutsk, Russia | 7 hours ahead of Portmarnock | Tabriz, Iran | 2 hours 30 minutes ahead of Portmarnock |
| Isfahan, Iran | 2 hours 30 minutes ahead of Portmarnock | Tabuk, Saudi Arabia | 2 hours ahead of Portmarnock |
| Istanbul, Turkey | 2 hours ahead of Portmarnock | Taichung, Taiwan | 7 hours ahead of Portmarnock |
| Izhevsk, Russia | 3 hours ahead of Portmarnock | Tainan City, Taiwan | 7 hours ahead of Portmarnock |
| Izmir, Turkey | 2 hours ahead of Portmarnock | Taipei, Taiwan | 7 hours ahead of Portmarnock |
| Jacksonville, USA | 5 hours behind Portmarnock | Tangerang, Indonesia | 6 hours ahead of Portmarnock |
| Jaipur, India | 4 hours 30 minutes ahead of Portmarnock | Tangier, Morocco | the same time as Portmarnock |
| Jakarta, Indonesia | 6 hours ahead of Portmarnock | Tashkent, Uzbekistan | 4 hours ahead of Portmarnock |
| Jeddah, Saudi Arabia | 2 hours ahead of Portmarnock | Tbilisi, Georgia | 3 hours ahead of Portmarnock |
| Jerusalem, Israel | 2 hours ahead of Portmarnock | Tébessa, Algeria | the same time as Portmarnock |
| Johannesburg, South Africa | 1 hour ahead of Portmarnock | Tegucigalpa, Honduras | 7 hours behind Portmarnock |
| Johor Bahru, Malaysia | 7 hours ahead of Portmarnock | Tehran, Iran | 2 hours 30 minutes ahead of Portmarnock |
| Kabul, Afghanistan | 3 hours 30 minutes ahead of Portmarnock | Tembisa, South Africa | 1 hour ahead of Portmarnock |
| Kaduna, Nigeria | the same time as Portmarnock | The Hague, Netherlands | 1 hour ahead of Portmarnock |
| Kampala, Uganda | 2 hours ahead of Portmarnock | Tianjin, China | 7 hours ahead of Portmarnock |
| Kananga, DR Congo | 1 hour ahead of Portmarnock | Tijuana, Mexico | 8 hours behind Portmarnock |
| Kano, Nigeria | the same time as Portmarnock | Tokyo, Japan | 8 hours ahead of Portmarnock |
| Kanpur, India | 4 hours 30 minutes ahead of Portmarnock | Tolyatti, Russia | 3 hours ahead of Portmarnock |
| Kaohsiung City, Taiwan | 7 hours ahead of Portmarnock | Toronto, Canada | 5 hours behind Portmarnock |
| Karachi, Pakistan | 4 hours ahead of Portmarnock | Touba, Senegal | 1 hour behind Portmarnock |
| Karagandy, Kazakhstan | 4 hours ahead of Portmarnock | Toulouse, France | 1 hour ahead of Portmarnock |
| Karaj, Iran | 2 hours 30 minutes ahead of Portmarnock | Tripoli, Libya | 1 hour ahead of Portmarnock |
| Karbala, Iraq | 2 hours ahead of Portmarnock | Trujillo, Peru | 6 hours behind Portmarnock |
| Kathmandu, Nepal | 4 hours 45 minutes ahead of Portmarnock | Tunis, Tunisia | the same time as Portmarnock |
| Kawasaki, Japan | 8 hours ahead of Portmarnock | Turin, Italy | 1 hour ahead of Portmarnock |
| Kazan’, Russia | 2 hours ahead of Portmarnock | Ufa, Russia | 4 hours ahead of Portmarnock |
| Khabarovsk, Russia | 9 hours ahead of Portmarnock | Ulan Bator, Mongolia | 7 hours ahead of Portmarnock |
| Kharkiv, Ukraine | 2 hours ahead of Portmarnock | Ulyanovsk, Russia | 3 hours ahead of Portmarnock |
| Khartoum, Sudan | 1 hour ahead of Portmarnock | Valencia, Spain | 1 hour ahead of Portmarnock |
| Khulna, Bangladesh | 5 hours ahead of Portmarnock | Valencia, Venezuela | 5 hours behind Portmarnock |
| Kiev, Ukraine | 2 hours ahead of Portmarnock | Vancouver, Canada | 8 hours behind Portmarnock |
| Kigali, Rwanda | 1 hour ahead of Portmarnock | Vienna, Austria | 1 hour ahead of Portmarnock |
| Kingston, Jamaica | 6 hours behind Portmarnock | Vilnius, Lithuania | 2 hours ahead of Portmarnock |
| Kinshasa, DR Congo | the same time as Portmarnock | Vladivostok, Russia | 9 hours ahead of Portmarnock |
| Kirkuk, Iraq | 2 hours ahead of Portmarnock | Volgograd, Russia | 2 hours ahead of Portmarnock |
| Kisangani, DR Congo | 1 hour ahead of Portmarnock | Voronezh, Russia | 2 hours ahead of Portmarnock |
| Klang, Malaysia | 7 hours ahead of Portmarnock | Warsaw, Poland | 1 hour ahead of Portmarnock |
| Kobe, Japan | 8 hours ahead of Portmarnock | Washington D.C., USA | 5 hours behind Portmarnock |
| Kolkata, India | 4 hours 30 minutes ahead of Portmarnock | White House, Morocco | the same time as Portmarnock |
| Kolwezi, DR Congo | 1 hour ahead of Portmarnock | Winnipeg, Canada | 6 hours behind Portmarnock |
| Konya, Turkey | 2 hours ahead of Portmarnock | Wrocław, Poland | 1 hour ahead of Portmarnock |
| Kota Bharu, Malaysia | 7 hours ahead of Portmarnock | Wuhan, China | 7 hours ahead of Portmarnock |
| Kousséri, Cameroon | the same time as Portmarnock | Xi'an, China | 7 hours ahead of Portmarnock |
| Kowloon, Hong Kong | 7 hours ahead of Portmarnock | Yangon, Myanmar | 5 hours 30 minutes ahead of Portmarnock |
| Krakow, Poland | 1 hour ahead of Portmarnock | Yaoundé, Cameroon | the same time as Portmarnock |
| Krasnodar, Russia | 2 hours ahead of Portmarnock | Yaroslavl, Russia | 2 hours ahead of Portmarnock |
| Krasnoyarsk, Russia | 6 hours ahead of Portmarnock | Yekaterinburg, Russia | 4 hours ahead of Portmarnock |
| Kryvyi Rih, Ukraine | 2 hours ahead of Portmarnock | Yerevan, Armenia | 3 hours ahead of Portmarnock |
| Kuala Lumpur, Malaysia | 7 hours ahead of Portmarnock | Yokohama, Japan | 8 hours ahead of Portmarnock |
| Kuching, Malaysia | 7 hours ahead of Portmarnock | Zagreb, Croatia | 1 hour ahead of Portmarnock |
| Kumasi, Ghana | 1 hour behind Portmarnock | Zamboanga City, Philippines | 7 hours ahead of Portmarnock |
| Kyoto, Japan | 8 hours ahead of Portmarnock | Zapopan, Mexico | 7 hours behind Portmarnock |
| La Paz, Bolivia | 5 hours behind Portmarnock | Zaporizhia, Ukraine | 2 hours ahead of Portmarnock |
| La Plata, Argentina | 4 hours behind Portmarnock | Zaragoza, Spain | 1 hour ahead of Portmarnock |
| Lagos, Nigeria | the same time as Portmarnock | Zarqa, Jordan | 2 hours ahead of Portmarnock |