| CITY | LOCAL TIME | Difference | Coming up |
|---|---|---|---|
| London United Kingdom | 01:00Thu | +4h | Becomes +3h on 25 Oct |
| Berlin Germany | 02:00Thu | +5h | Becomes +4h on 25 Oct |
| Dubai UAE | 04:00Thu | +7h | |
| Tokyo Japan | 09:00Thu | +12h | |
| Sydney Australia | 10:00Thu | +13h | Becomes +14h on 4 Oct |
| New York United States | 20:00 | −1h | Becomes −2h on 1 Nov |
| Los Angeles United States | 17:00 | −4h | Becomes −5h on 1 Nov |
San Miguel de Tucumán, Argentina runs on UTC−3. This time zone stays fixed year-round at UTC−3 — daylight saving time is not observed. The time difference between San Miguel de Tucumán and New York is 1 hour. 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 San Miguel de Tucumán lines up with 09:00–17:00 in New York. The time difference between San Miguel de Tucumán and London is 4 hours. 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 San Miguel de Tucumán lines up with 13:00–18:00 in London. The time difference between San Miguel de Tucumán and Tokyo is 12 hours. 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, Rio de Janeiro. Keeping these offsets in mind makes it easier to schedule calls or travel to and from San Miguel de Tucumán.
San Miguel de Tucumán (Argentina) is home to roughly 550K people. Today brings about 12.3 hours of daylight: sunrise at 07:01, sunset at 19:20. This time zone stays fixed year-round at UTC−3 — daylight saving time is not observed. It sits in the Southern Hemisphere, about 27° south of the equator. Traffic drives on the right.
Flag
Argentina
Capital
Buenos Aires
Continent
South America
Time Zone
UTC−3 · America/Argentina/Tucuman
Coordinates
26.82°S, 65.22°W
Currency
ARS ($)
Calling Code
+54
Driving Side
Right
Hemisphere
Southern
Language
Spanish
Measurement System
Metric
Did You Know?
Argentine independence was declared in a house in San Miguel de Tucumán on 9 July 1816. The province is the smallest in Argentina and produces a large share of the country's lemons — it is among the biggest lemon exporters in the world.
The clock: Tucumán keeps UTC−3. The house where independence was declared was demolished in 1903, except for the room where it was declared, and rebuilt in the 1940s from photographs.
San Miguel de Tucumán lies at 65.2°W. Its time zone, UTC−3, is built around the 45°W meridian. The 20.2° gap between them means the clock runs roughly 81 minutes ahead of the sun: solar noon arrives at about 13:21 rather than 12:00. The zone holds UTC−3 all year — there is no daylight saving here.
The longest day of 2026 is 22 December, with 13h 50m of daylight. The shortest is 22 June, with 10h 27m. The swing between them is 3h 23m. At this latitude the seasons are visible in the clock, but never dramatic.
The earliest sunrise and the latest sunset do not land on the longest day. In San Miguel de Tucumán the sun comes up earliest on 2 December at 06:20, while the latest sunset waits until 12 January at 20:19. The equation of time is what separates them: the Earth's elliptical orbit and axial tilt move solar noon back and forth by several minutes over the year.
The sky stays usably light for a while after the sun goes down. In San Miguel de Tucumán that civil twilight runs about 23 minutes at the equinox.
Every figure in this section is computed from the city's own latitude, longitude and IANA time zone using NOAA solar algorithms (Spencer, 1971), accurate to about ±2 arcminutes below 65° latitude.
The official timezone for San Miguel de Tucumán, Argentina is America/Argentina/Tucuman with a current UTC offset of UTC−3.
San Miguel de Tucumán has an estimated population of 550K and is located at coordinates 26.82°S, 65.22°W.
San Miguel de Tucumán gets 13h 50m of daylight on its longest day and 10h 27m on its shortest, averaging 12h 6m a day across the year.
Solar noon in San Miguel de Tucumán falls at about 13:21 on UTC−3 standard time, because the city sits 20.2° from the meridian its zone is built on.
Where Independence Was Declared: Argentine independence was declared in a house in San Miguel de Tucumán on 9 July 1816.