Search results
History of time in the United States. The evolution of United States standard time zone boundaries from 1919 to 2024 in five-year increments. Plaque in Chicago marking the creation of the four time zones of the continental US in 1883. Colorized 1913 time zone map of the United States, showing boundaries very different from today.
Time zones in Kansas, including time zone names for standard time and Daylight Saving Time (DST) in 2024.
All of Arizona is in the Mountain Time Zone. [2] Since 1968, most of the state—except the Navajo Nation —does not observe daylight saving time and remains on Mountain Standard Time (MST) all year. This results in most of Arizona having the same time as neighboring California each year from March to November, when locations in the Pacific Time Zone observe daylight saving time.
Commences. UTC -4. AST. Atlantic Standard Time. Nov 3, 2024. The above time zone is used during other parts of the year. It will become active again after the next clock change as Daylight Saving Time begins or ends. Need some help? Time zones in Greenland, including time zone names for standard time and Daylight Saving Time (DST) in 2024.
Time zones in Spain, including time zone names for standard time and Daylight Saving Time (DST) in 2024.
Elsewhere on timeanddate.com. Find the exact time difference with the Time Zone Converter – Time Difference Calculator which converts the time difference between places and time zones all over the world.
US Timezones: How They Work and Why We Use Them. The United States is divided into nine standard time zones. These are spread across the country's fifty states and include overseas territories. These time zones are defined by the Coordinated Universal Time (UTC), a global time standard used for international communication, aviation, and many ...
