USA
USA: Mountain Standard Time (MST) - Colorado, Idaho (southern), Kansas (wersternmost counties of), Montana, Nebraska (western), New Mexico, (southwestern) North Dakota, (western) South Dakota, (western strip of) Texas, Utah, Wyoming
USA: Central Standard Time (CST) - Alabama, Arkansas, (western strip of) Florida, (some southwestern and northwestern counties of) Illinois, Iowa, (most part of) Kansas, Kentucky, Louisiana, Minnesota, Mississippi, Missouri, Oklahoma, (eastern) Nebraska, (north- and southeast of) North Dakota, (eastern part of) South Dakota, (western) Tennessee, Texas, Wisconsin
USA: Eastern Standard Time (EST) - Connecticut. Delaware, District of Columbia, (most of) Florida, Georgia, (most of) Indiana, Kentucky (Eastern), Maine, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Tennessee (Eastern), Vermont, Virginia, West Virginia