The Natural Cycle Clock

Select the nearest city to you to get a local calculation: Abu Dhabi, United Arab Emirates Acapulco, Mexico Accra, Ghana Addis Ababa, Ethiopia Adelaide, South Australia, Australia Aden, Yemen Agra, India Aguascalientes, Mexico Albuquerque, New Mexico, USA Algiers, Algeria Alofi, Niue Amman, Jordan Amsterdam, Netherlands Anchorage, Alaska, USA Andorra La Vella, Andorra Ankara, Turkey Antananarivo, Madagascar Apia, Samoa Ashgabat, Turkmenistan Asmara, Eritrea Astana, Kazakstan Asuncion, Paraguay Athens, Greece Atlanta, Georgia, USA Auckland, New Zealand Augusta, Maine, USA Azores, Portugal Baghdad, Iraq Baku, Azerbaijan Balikpapan, Kalimantan, Indonesia Baltimore, Maryland, USA Bamako, Mali Bandar Seri Begawan, Brunei Bandung, Java, Indonesia Bangalore, India Bangkok, Thailand Bangui, Central African Republic Banjul, Gambia Barcelona, Spain Basseterre, Saint Kitts and Nevis Beijing, China Beirut, Lebanon Belfast, Northern Ireland, UK Belgrade, Serbia Belmopan, Belize Berlin, Berlin, Germany Bern, Switzerland Bhubaneshwar, India Billings, Montana, USA Bishkek, Kyrgyzstan Bismarck, North Dakota, USA Bissau, Guinea-Bissau Bogota, Colombia Boise, Idaho, USA Boston, Massachusetts, USA Brasilia, Distrito Federal, Brazil Bratislava, Slovakia Brazzaville, Congo Bridgetown, Barbados Brisbane, Queensland, Australia Brussels, Belgium Bucharest, Romania Budapest, Hungary Buenos Aires, Argentina Bujumbura, Burundi Cairo, Egypt Calgary, Alberta, Canada Canberra, Australian Capital Territory, Australia Cape Town, South Africa Caracas, Venezuela Cardiff, Wales, UK Casablanca, Morocco Castries, Saint Lucia Chatham Island, New Zealand Chelyabinsk, Russia Chennai, India Cheyenne, Wyoming, USA Chicago, Illinois, USA Colombo, Sri Lanka Columbia, South Carolina, USA Columbus, Ohio, USA Conakry, Guinea Concord, New Hampshire, USA Copenhagen, Denmark Dakar, Senegal Dallas, Texas, USA Damascus, Syria Dar es Salaam, Tanzania Darwin, Northern Territory, Australia Delhi, India Denpasar, Bali, Indonesia Denver, Colorado, USA Des Moines, Iowa, USA Detroit, Michigan, USA Dhaka, Bangladesh Dili, Timor-Leste Djibouti, Djibouti Doha, Qatar Dover, Delaware, USA Dubai, United Arab Emirates Dublin, Ireland Dushanbe, Tajikistan Edmonton, Alberta, Canada El Aaiún, Western Sahara Frankfurt, Hesse, Germany Freetown, Sierra Leone Funafuti, Tuvalu Gaborone, Botswana Geneva, Switzerland Georgetown, Guyana Gibraltar, Gibraltar, UK Glasgow, Scotland, UK Guatemala, Guatemala Guayaquil, Ecuador Halifax, Nova Scotia, Canada Hamilton, Bermuda, UK Hanoi, Vietnam Harare, Zimbabwe Hartford, Connecticut, USA Havana, Cuba Helsinki, Finland Ho Chi Minh, Vietnam Hobart, Tasmania, Australia Hong Kong, China Honiara, Solomon Islands Honolulu, Hawaii, USA Houston, Texas, USA Indianapolis, Indiana, USA Indore, India Islamabad, Pakistan Istanbul, Turkey Jackson, Mississippi, USA Jakarta, Java, Indonesia Jayapura, Papua, Indonesia Jerusalem, Israel Johannesburg, South Africa Kabul, Afghanistan Kamchatka, Russia Kampala, Uganda Karachi, Pakistan Kathmandu, Nepal Kazan, Russia Khartoum, Sudan Kigali, Rwanda Kingston, Jamaica Kingstown, Saint Vincent and Grenadines Kinshasa, Congo Dem.Rep. Kiritimati, Christmas Islands, Kiribati Kishinev, Moldova Kobe, Japan Kolkata, India Koror, Palau Krasnoyarsk, Russia Kuala Lumpur, Malaysia Kuwait City, Kuwait Kyiv, Ukraine Kyoto, Japan La Paz, Bolivia Lagos, Nigeria Lahore, Pakistan Las Vegas, Nevada, USA Leon, Mexico Libreville, Gabon Lilongwe, Malawi Lima, Lima, Peru Lincoln, Nebraska, USA Lisbon, Portugal Little Rock, Arkansas, USA Ljubljana, Slovenia Lome, Togo London, England, UK Los Angeles, California, USA Louisville, Kentucky, USA Luanda, Angola Ludhiana, India Lusaka, Zambia Luxembourg, Luxembourg Madison, Wisconsin, USA Madrid, Spain Madurai, India Majuro, Marshall Islands Makkah, Saudi Arabia Makwa, Nauru Malabo, Equatorial Guinea Male, Maldives Manado, Sulawesi, Indonesia Managua, Nicaragua Manama, Bahrain Manaus, Amazonas, Brazil Manila, Philippines Maputo, Mozambique Maseru, Lesotho Mazatlan, Mexico Mbabane, Swaziland Melbourne, Victoria, Australia Mexicali, Mexico Mexico City, Mexico Miami, Florida, USA Minneapolis, Minnesota, USA Minsk, Belarus Mogadishu, Somalia Monaco, Monaco Monrovia, Liberia Montevideo, Uruguay Montgomery, Alabama, USA Montpelier, Vermont, USA Montreal, Quebec, Canada Moroni, Comoros Moscow, Russia Mumbai, India Muscat, Oman Nagoya, Japan Nairobi, Kenya Nashville, Tennessee, USA Nassau, Bahamas Ndjamena, Chad New Delhi, India New Orleans, Louisiana, USA New York, New York, USA Newark, New Jersey, USA Niamey, Niger Nicosia, Cyprus Nouakchott, Mauritania Novgorod, Russia Novosibirsk, Russia Nukualofa, Tonga Odesa, Ukraine Oklahoma City, Oklahoma, USA Omsk, Russia Orlando, Florida, USA Osaka, Japan Oslo, Norway Ottawa, Ontario, Canada Ouagadougou, Burkina Faso Palikir, Ponape, Micronesia Palma, Majorca, Spain Panama, Panama Papeete, Tahiti, France Paramaribo, Suriname Paris, France Patna, India Pensacola, Florida, USA Perm, Russia Perth, Western Australia, Australia Philadelphia, Pennsylvania, USA Phnom Penh, Cambodia Phoenix, Arizona, USA Podgorica, Montenegro Port Louis, Mauritius Port Moresby, Papua New Guinea Port Vila, Vanuatu Port of Spain, Trinidad and Tobago Port-au-Prince, Haiti Porto Novo, Benin Prague, Czech Republic Praia, Cape Verde Pretoria, South Africa Providence, Rhode Island, USA Pune, India Pyongyang, North Korea Quito, Ecuador Québec, Quebec, Canada Raleigh, North Carolina, USA Rarotonga, Cook Islands Recife, Pernambuco, Brazil Regina, Saskatchewan, Canada Richmond, Virginia, USA Riga, Latvia Rio de Janeiro, Rio de Janeiro, Brazil Riyadh, Saudi Arabia Rome, Italy Roseau, Dominica Sacramento, California, USA Saint George's, Grenada Saint John's, Antigua and Barbuda Saint-Denis, Reunion (French) Saint-Peterburg, Russia Salem, Oregon, USA Salt Lake City, Utah, USA Salvador, Bahia, Brazil Samara, Russia San Diego, California, USA San Francisco, California, USA San Jose, California, USA San Jose, Costa Rica San Juan, Puerto Rico San Marino, San Marino San Salvador, El Salvador Sana, Yemen Santiago, Chile Santo Domingo, Dominican Republic Sao Paulo, São Paulo, Brazil Sapporo, Japan Sarajevo, Bosnia-Herzegovina Seattle, Washington, USA Seoul, South Korea Shanghai, China Shenzhen, China Singapore, Singapore Sioux Falls, South Dakota, USA Skopje, Republic of Macedonia Sofia, Bulgaria St. John's, Newfoundland and Labrador, Canada St. Louis, Missouri, USA St. Paul, Minnesota, USA Stockholm, Sweden Surabaya, Java, Indonesia Surat, India Suva, Fiji Sydney, New South Wales, Australia São Tomé, Sao Tome and Principe Taipei, Taiwan Tallinn, Estonia Tashkent, Uzbekistan Tbilisi, Georgia Tegucigalpa, Honduras Tehran, Iran Tel Aviv, Israel Thimphu, Bhutan Tijuana, Mexico Tirane, Albania Tokyo, Japan Topeka, Kansas, USA Toronto, Ontario, Canada Tripoli, Libya Tunis, Tunisia Ufa, Russia Ulaanbaatar, Mongolia Vaduz, Liechtenstein Valletta, Malta Vancouver, British Columbia, Canada Varanasi, India Vatican City, Vatican City State Veracruz, Mexico Victoria, Seychelles Vienna, Austria Vientiane, Laos Vilnius, Lithuania Vishakhapatnam, India Vladivostok, Russia Warsaw, Poland Washington DC, District of Columbia, USA Wellington, New Zealand Whitehorse, Yukon Territory, Canada Windhoek, Namibia Winnipeg, Manitoba, Canada Yamoussoukro, Cote d'Ivoire (Ivory Coast) Yangon, Myanmar Yaoundé, Cameroon Yekaterinburg, Russia Yellowknife, Northwest Territories, Canada Yerevan, Armenia Yokohama, Japan Zagreb, Croatia Zürich, Switzerland

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Natural cycle clock for Chicago, Illinois, USA:

Modern time:

Natural cycle time: