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- The GC-1000 allows time zone selection using 5 dip switches. The Heathkit
- manual explains that a selection is made by adding the value of the
- switches, eg: switch 1 + switch 4 = 5 hours west of UTC. However, this
- method works only for points west of UTC. For those areas of the world
- whose time zone is a positive offset (east of UTC) the calculation of
- switch settings is not as simple. Instead, consult the table below for the
- complete range of settings available. Note that the selection is limited.
- Cities observing 1/2 hour offset (Tehran: + 3 1/2, New Delhi: + 5 1/2) and
- others outside of the range -11 to +12 hours can not be accomodated
- directly. Thus, in these cases, the time can not be displayed by the
- clock.
-
- The software provides a wider range of settings and can thus accurately
- portray the local time for all time zones in the world.
-
- Time Zone Selection
-
- City UTC offset Switches:
- (hours) 1 2 4 8 8
-
- -11 1 1 0 1 0 Kiribati, Niue Isl., Samoa Isl.
- -10 0 1 0 1 0 Alaska, Cook Isl., Hawaii,
- Polynesia (Fr.)
- -9 1 0 0 1 0 Alaska
- Los Angeles -8 0 0 0 1 0 Canada: Pacific Zone, British
- Columbia, Mexico:
- Baja California Norte,
- U.S.A.: Pacific Zone, Yunkon
- Denver -7 1 1 1 0 0 Canada: Mountain Zone, Alberta,
- North West Territories, Mexico:
- Sonora, Sinaloa, Nayarit, Baja
- California Sur, U.S.A.: Mountain
- Zone, Arizona
- Chicago -6 0 1 1 0 0 Belize, Canada: Central Zone,
- Manitoba, Costa Rica, Easter
- Isl., El Salvador, Guatemala,
- Honduras (Rep.), Mexico:
- Campeche, Quintana Roo, Yucatan,
- Nicaragua, U.S.A.: Central Zone
- New York -5 1 0 1 0 0 Bahamas, Brazil: Acre, Canada:
- Eastern Zone, Ontario, Quebec,
- Cayman Isl., Colombia, Cuba,
- Ecuador, Haiti, Jamaica, Panama,
- Peru, U.S.A.: Eastern Zone,
- Indiana
- Santiago -4 0 0 1 0 0 Anguilla, Antigua, Aruba,
- Barbados, Bermuda, Bolivia,
- Brazil: Manaos, Canada: Atlantic
- Zone, Nova Scotia, New
- Brunswick, P.E.I., Chile,
- Dominica, Dom. Rep., Falkland
- Isl.: Port Stanley, Grenada,
- Guadeloupe, Martinique,
- Montserrat, Neth. Antilles,
- Paraguay, Puerto Rico, St. Kitts
- & Nevis, St. Lucia, St. Vincent,
- Trinidad, Turks & Caicos,
- Venezuela, Virgin Isl.
- Buenos Aires -3 1 1 0 0 0 Argentina, Brazil: Ea & Coastal,
- Greenland: Thule area, Guiana
- (French), Guyana (Rep.), St.
- Pierre, Surinam, Uruguay
- -2 0 1 0 0 0 Brazil: Oceanic Isl.
- -1 1 0 0 0 0 Azores, Cape Verde Isl.,
- Greenland: Scoresbysund
- London 0 0 0 0 0 0 Ascension Isl., Burkina Faso,
- Canary Isl., Cote D'ivoire,
- Faroe Isl., Gambia, Ghana,
- Guinea (Rep.), Guinea Bissau,
- Iceland, Ireland, Liberia,
- Madeira, Mali, Mauritania,
- Morocco, Portugal, S. Tome,
- Senegal, Sierra Leone, St.
- Helena, Togo, Tristan da Cunha,
- United Kingdom
- Berlin +1 1 1 1 1 1 Albania, Algeria, Andorra,
- Angola, Austria, Belgium,
- Benin, Cameroon, Ce. African
- Rep., Chad, Congo,
- Czechoslovakia, Denmark,
- Equatorial Guinea, France,
- Gabon, Germany, Gibraltar,
- Hungary, Italy, Libya,
- Luxembourg, Malta, Monaco,
- Netherlands, Niger, Nigeria,
- Norway, Poland, Spain, Sweden,
- Switzerland, Tunisia,
- Yugoslavia, Zaire: Kinshasa
- Kiev +2 0 1 1 1 1 Botswana, Bulgaria, Burundi,
- Cyprus, Egypt, Finland, Greece,
- Israel, Jordan, Lebanon,
- Lesotho, Malawi, Mozambique,
- Romania, Rwanda, S. Africa,
- Sudan, Swaziland, Syria,
- Transkei, Turkey, Zaire:
- Lubumbashi, Zambia, Zimbabwe
- +3 1 0 1 1 1 Bahrain, Comoro Rep., Djibouti,
- Ethiopia, Iraq, Kenya, Kuwait,
- Madagascar, Mayotte, Qatar,
- Saudi Arabia, Somalia,
- Tanzania, Uganda, USSR: Moscow,
- Yemen
- +4 0 0 1 1 1 Mauritius, Oman, Reunion,
- Seychelles, United Arab
- Emirates, USSR: Baku, Tbilisi
- +5 1 1 0 1 1 Diego Garcia, Maldive Isl.,
- Pakistan, USSR: Sverdlovsk
- +6 0 1 0 1 1 Bangladesh, Bhutan, China:
- Urumqi, USSR: Tashkent
- Bangkok +7 1 0 0 1 1 Cambodia, China: Xining,
- Christmas Isl., Indonesia: Java,
- Bali, Sumatra, Laos, Thailand,
- USSR: Novosibirsk, Vietnam
- +8 0 0 0 1 1 W. Australia, Brunei, China:
- Beijing, Hong Kong, Indonesia:
- Kalimantan, Sulawesi, Timor,
- Macau, Malaysia, Mongolia,
- Philippines, Singapore, Taiwan,
- USSR: Irkutsk
- Tokyo +9 1 1 1 0 1 Australia: we. part, Japan,
- Korea (Rep.), Korea (D.P.R.),
- Moluccas: We. Iran, Palau, USSR:
- Yakutsk
- Vladivostok +10 0 1 1 0 1 Australia: Victoria & NSW,
- Queensland, Tasmania, Guam,
- N. Marianas, Micronesia: Truk,
- Yap, Papua New Guinea, USSR:
- Khabarovsk
- +11 1 0 1 0 1 Micronesia: Pohnpei, New
- Caledonia, Solomon Isl., USSR:
- Magadan, Vanuatu
- +12 0 0 1 0 1 Fiji, Marshall Isl., Nauru, New
- Zealand, Tuvalu, USSR:
- Petropavlovsk, Wake Isl., Wallis
- & Futuna
-
- Countries/Cities which can not be accomodated directly by the switches:
-
- -3.5 Canada: Newfoundland, So. Ea.
- Labrador
- +3.5 Iran
- +4.5 Afghanistan
- +5.75 Nepal
- +5.5 Sri Lanka
- +6.5 Myanmar
- +9.5 Australia: N. Territory,
- S. Australia
- +10.5 Lord Howe Isl.
- +11.5 Norfolk Isl.
- +13 Tonga, USSR: Anadyr
-