Atlanta, United States · UTC-4
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Atlanta is in the America/New_York timezone (EST/UTC-5, EDT/UTC-4 in summer). As the South’s largest city and host of Hartsfield-Jackson, the world’s busiest airport, Eastern Time anchors a vast transit hub.
Atlanta runs on America/New_York: UTC-5 in winter (Eastern Standard Time) and UTC-4 in summer (Eastern Daylight Time). DST begins the second Sunday in March and ends the first Sunday in November. Atlanta shares this clock with New York, Miami, Boston, and the entire Eastern Seaboard.
The city is home to around 500,000 people within city limits and about 6.2 million in the broader metro area, making it the ninth-largest metropolitan area in the United States. Hartsfield-Jackson Atlanta International Airport is consistently ranked among the busiest in the world by passenger volume, processing over 100 million travelers annually.
The clock of the busiest airport on earth
When Hartsfield-Jackson handles more passengers than any other airport, it does so on Eastern Time. Flight boards show arrivals and departures in EST/EDT. Layover passengers calculating connection windows are doing timezone arithmetic across the Eastern benchmark. An arriving international flight from Paris lands at 9am Atlanta time, which is 3pm in Paris and 11pm in Tokyo. Atlanta’s position as a global transit hub means its clock is referenced by travelers on six continents on any given day.
The city was almost entirely destroyed in 1864 and rebuilt rapidly after the Civil War, giving it an unusual relationship with history compared to cities that preserve older urban layers. Atlanta’s civic identity has been shaped by reinvention rather than continuity, which is reflected in its architecture, its culture, and its self-image as a forward-looking city rather than a custodian of tradition.
World Cup 2026 and Mercedes-Benz Stadium
Atlanta will host FIFA World Cup 2026 matches at Mercedes-Benz Stadium, which opened in 2017 and is already a proven host for major events including Super Bowl LIII. Eastern Time means that 7pm local kick-offs are prime time on the East Coast and midnight in London. Atlanta’s Southern summer in June and July brings heat and humidity, but the stadium is climate-controlled.
At 33 degrees north latitude, Atlanta has relatively mild seasonal daylight variation. Summer sunsets come around 8:30pm. Winter brings darkness by 5:30pm. The city’s golf and tennis cultures reflect a preference for early-morning activity before afternoon heat, a pattern that emerges naturally from the latitude and clock combination.
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Questions about time in Atlanta
- What timezone is Atlanta in?
- Atlanta is in Eastern Time (ET), using the IANA timezone
America/New_York. The standard UTC offset is UTC-5 (EST) in winter and UTC-4 (EDT) during daylight saving time. - Does Atlanta observe daylight saving time?
- Yes. Atlanta observes daylight saving time, shifting from UTC-5 (standard time) to UTC-4 in summer.
- What is the current UTC offset for Atlanta?
- Atlanta is currently at UTC-4. It is currently observing daylight saving time.
- What is the time difference between Atlanta and London?
- Atlanta is currently 5 hours behind London.
- What is the time difference between Atlanta and Los Angeles?
- Atlanta is currently 3 hours ahead of Los Angeles.
- What is the time difference between Atlanta and Tokyo?
- Atlanta is currently 13 hours behind Tokyo. Tokyo does not observe daylight saving time, so this gap changes by 1 hour when Atlanta transitions to/from DST.
- What is the IANA timezone name for Atlanta?
- The IANA timezone database identifier for Atlanta is
America/New_York. Use this string in programming languages and APIs: JavaScript (`new Intl.DateTimeFormat('en-US', { timeZone: 'America/New_York' })`), Python (`pytz.timezone('America/New_York')`), or any IANA-compatible library.