Argentina · ART
Mon, 14 Sept 2026
Timezone Guide
Ushuaia, Argentina runs on UTC−3. This time zone stays fixed year-round at UTC−3 — daylight saving time is not observed. There is a 1-hour difference between Ushuaia and New York. Standard 9-to-6 working hours overlap for about 8 hours a day with New York. A good time to connect: 10:00–18:00 in Ushuaia lines up with 09:00–17:00 in New York. There is a 4-hour difference between Ushuaia and London. Standard 9-to-6 working hours overlap for about 5 hours a day with London. A good time to connect: 09:00–14:00 in Ushuaia lines up with 13:00–18:00 in London. There is a 12-hour difference between Ushuaia and Tokyo. Standard working hours don't overlap at all with Tokyo, so meetings need an early or late slot on one side. This timezone is also shared with cities such as Buenos Aires, São Paulo, Santiago. Keeping these offsets in mind makes it easier to schedule calls or travel to and from Ushuaia.
Practical Info
Ushuaia (Argentina) is home to roughly 80K people. Today brings about 7.3 hours of daylight: sunrise at 09:54, sunset at 17:12. This time zone stays fixed year-round at UTC−3 — daylight saving time is not observed. It sits in the Southern Hemisphere, about 55° south of the equator. Traffic drives on the right.
Flag
Argentina
Capital
Buenos Aires
Continent
South America
Time Zone
ART · America/Argentina/Ushuaia
Coordinates
54.80°S, 68.30°W
Currency
ARS ($)
Calling Code
+54
Driving Side
Right
Hemisphere
Southern
Language
Spanish
Measurement System
Metric
Did You Know?
Ushuaia sits at 54.8° south, and is generally accepted as the southernmost city on Earth. Most Antarctic cruises leave from here; the Drake Passage crossing takes about two days.
The clock: Ushuaia keeps UTC−3 and swings from roughly 17 hours 20 minutes of daylight in December to about 7 hours in June — the reverse of everywhere in the northern hemisphere on the same calendar.
Annual Daylight
Working Hours
3h overlap