| 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 |
Puerto Madryn, 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 Puerto Madryn 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 Puerto Madryn lines up with 09:00–17:00 in New York. The time difference between Puerto Madryn 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 Puerto Madryn lines up with 13:00–18:00 in London. The time difference between Puerto Madryn 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 Puerto Madryn.
Puerto Madryn (Argentina) is home to roughly 100K people. Today brings about 12.5 hours of daylight: sunrise at 06:55, sunset at 19:25. This time zone stays fixed year-round at UTC−3 — daylight saving time is not observed. It sits in the Southern Hemisphere, about 43° south of the equator. Traffic drives on the right.
Flag
Argentina
Capital
Buenos Aires
Continent
South America
Time Zone
UTC−3 · America/Argentina/Buenos_Aires
Coordinates
42.77°S, 65.04°W
Currency
ARS ($)
Calling Code
+54
Driving Side
Right
Hemisphere
Southern
Language
Spanish
Measurement System
Metric
Did You Know?
Península Valdés hosts around a thousand southern right whales each winter, close enough to shore that they can be watched from land. It was listed by UNESCO in 1999 for exactly this.
The clock: Puerto Madryn keeps UTC−3. It was founded by Welsh settlers in 1865, and Welsh is still spoken in parts of the Chubut valley.
Puerto Madryn lies at 65.0°W. Its time zone, UTC−3, is built around the 45°W meridian. The 20.0° gap between them means the clock runs roughly 80 minutes ahead of the sun: solar noon arrives at about 13:20 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 15h 20m of daylight. The shortest is 22 June, with 9h 1m. The swing between them is 6h 18m. This is the latitude band where the difference between summer and winter evenings is most obvious.
The earliest sunrise and the latest sunset do not land on the longest day. In Puerto Madryn the sun comes up earliest on 11 December at 05:36, while the latest sunset waits until 3 January at 21:01. 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 Puerto Madryn that civil twilight runs about 28 minutes at the equinox, stretching to 35 minutes at the solstice.
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 Puerto Madryn, Argentina is America/Argentina/Buenos_Aires with a current UTC offset of UTC−3.
Puerto Madryn has an estimated population of 100K and is located at coordinates 42.77°S, 65.04°W.
Puerto Madryn gets 15h 20m of daylight on its longest day and 9h 1m on its shortest, averaging 12h 7m a day across the year.
Solar noon in Puerto Madryn falls at about 13:20 on UTC−3 standard time, because the city sits 20.0° from the meridian its zone is built on.
A Bay Where Whales Come to Calve: Península Valdés hosts around a thousand southern right whales each winter, close enough to shore that they can be watched from land. It was listed by UNESCO in 1999 for exactly this.