Argentina · ART
Mon, 14 Sept 2026
Timezone Guide
Rosario, 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 Rosario 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 Rosario lines up with 09:00–17:00 in New York. There is a 4-hour difference between Rosario 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 Rosario lines up with 13:00–18:00 in London. There is a 12-hour difference between Rosario 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 Rosario.
Practical Info
Rosario (Argentina) is home to roughly 1.3M people. Today brings about 10.2 hours of daylight: sunrise at 08:00, sunset at 18:12. This time zone stays fixed year-round at UTC−3 — daylight saving time is not observed. It sits in the Southern Hemisphere, about 33° south of the equator. Traffic drives on the right.
Flag
Argentina
Capital
Buenos Aires
Continent
South America
Time Zone
ART · America/Argentina/Buenos_Aires
Coordinates
32.95°S, 60.64°W
Currency
ARS ($)
Calling Code
+54
Driving Side
Right
Hemisphere
Southern
Language
Spanish
Measurement System
Metric
Did You Know?
Manuel Belgrano first raised the Argentine flag on the banks of the Paraná at Rosario in February 1812, and the national flag memorial there is a 70-metre monument. The city has also produced a striking share of the country's footballers.
The clock: Rosario keeps UTC−3. Its grain port handles a large majority of Argentina's soy and maize exports.
Annual Daylight
Working Hours
3h overlap