Broadcast and sports listings often say 8 7c Eastern Central without stating Pacific Pacific viewers subtract three hours from Eastern not two Exception the Navajo Nation in northeastern Arizona observes DST and shifts to UTC 6 in summer so it stays aligned with Navajo lands in Utah and New Mexico It is one hour behind Hawaii HST UTC 65 year round Chicago Central and South Bend Eastern are always one hour apart Actual travel distance may vary based on the departure city and route One local exception the Navajo Nation in northeastern Arizona does observe DST so it stays in sync with Navajo lands in Utah and New Mexico Pacific workable for some teams harsh for others Coordinated Universal Time UTC is the modern atomic clock based standard that https://firstnow.ru/i/33 replaced it for precise timekeeping but the two are close enough that they re used interchangeably in everyday contexts including throughout this page Flight and hotel confirmations use local airport or property time That means a three hour gap between New York and Los Angeles on the same calendar day Exceptions such as Arizona Hawaii and several territories are covered below Major cities such as Houston Dallas Austin and San Antonio operate under this time zone This division means Texas can be either UTC 6 or UTC 7 shifting one hour forward during Daylight Saving Time Central Standard Time CST is observed during the winter months and is 6 hours behind Coordinated Universal Time UTC 6 Major airlines include American Airlines Delta Air Lines and United Airlines Nearby northwest Indiana counties such as those around Gary and Hammond stay on Central with Chicago so the Time Zone can change when you cross a county line near the metro edge not because South Bend itself switches The United States spans four standard Time Zones Eastern Central Mountain and Pacific each Time Zone is one hour apart from east to west County level detail is beyond this page s static mainland map use a city clock or converter when the meeting is near a Time Zone line A coast to coast roster that also includes Denver or Chicago needs those intermediate offsets not only the three hour New York Los Angeles rule This route connects the southern United States with the East Coast and is widely used for business and travel Hawaii runs five hours behind Eastern in winter and six in summer because only the Eastern side changes clocks The Hopi Reservation which sits inside Navajo land stays on year round UTC 7 like the rest of Arizona Northwest Indiana cities such as Gary and Hammond follow Central so they stay aligned with the Chicago metro South Bend still in Indiana but on Eastern is one hour ahead of Chicago Most of Texas is in the Central Time Zone including major cities like Houston Dallas San Antonio and Austin Standard EST UTC 5 Daylight EDT UTC 9 Covers much of the East Coast including New York Washington D C Florida Pennsylvania Massachusetts Georgia and the eastern parts of Michigan Kentucky and Tennessee