GMT-6
# BELIZE (Belmopan)
# CANADA (Manitoba- Winnipeg dst)
# CANADA (Saskatchewan- Regina)
# EASTER ISLAND, Chile (Rapa Nui- Hanga Roa dst)
# COSTA RICA (San Jose)
# GALAPAGOS ISLANDS, Ecuador
# EL SALVADOR (El Salvador)
# GUATEMALA (Guatemala)
# HONDURAS (Tegucigalpa)
# MEXICO (Mexico City dst, Acapulco dst, Monterrey dst, Veracruz dst, Guadalajara dst, Cancun dst)
# NICARAGUA (Managua)
# UNITED STATES (Alabama- Birmingham dst, Arkansas- Little Rock dst, Illinois- Chicago dst, Indiana (northwest and southwest) dst, Iowa- Cedar Rapids dst, Kansas- Wichita dst, Kentucky (western) dst, Louisiana- New Orleans dst, Minnesota- Minneapolis/St. Paul dst, Mississippi- Jackson dst, Missouri- St. Louis dst, Nebraska (eastern)- Omaha dst, North Dakota- Bismarck dst, Oklahoma- Oklahoma City dst, South Dakota (eastern)- Sioux Falls dst, Tennessee (middle and western)- Memphis dst, Nashville dst, Texas- Houston dst, Fort Worth dst, Dallas dst, Corpus Christi dst, Austin dst, Wisconsin- Green Bay dst, Madison dst, Milwaukee dst)
http://www.worldtimezone.com/