| 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 |
Colonia del Sacramento, Uruguay runs on UTC−3. This time zone stays fixed year-round at UTC−3 — daylight saving time is not observed. The time difference between Colonia del Sacramento 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 Colonia del Sacramento lines up with 09:00–17:00 in New York. The time difference between Colonia del Sacramento 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 Colonia del Sacramento lines up with 13:00–18:00 in London. The time difference between Colonia del Sacramento 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 Colonia del Sacramento.
Colonia del Sacramento (Uruguay) is home to roughly 27K people. Today brings about 12.4 hours of daylight: sunrise at 06:29, sunset at 18:53. This time zone stays fixed year-round at UTC−3 — daylight saving time is not observed. It sits in the Southern Hemisphere, about 34° south of the equator. Traffic drives on the right.
Flag
Uruguay
Capital
Montevideo
Continent
South America
Time Zone
UTC−3 · America/Montevideo
Coordinates
34.47°S, 57.84°W
Currency
UYU ($U)
Calling Code
+598
Driving Side
Right
Hemisphere
Southern
Language
Spanish
Measurement System
Metric
Did You Know?
Colonia del Sacramento was founded by Portugal in 1680 directly opposite Spanish Buenos Aires, and changed hands between the two powers repeatedly over the next century. The result is a street plan that is Portuguese and a masonry tradition that is Spanish.
The clock: Colonia keeps UTC−3. The ferry to Buenos Aires takes about an hour and crosses an international border with no time change.
Colonia del Sacramento lies at 57.8°W. Its time zone, UTC−3, is built around the 45°W meridian. The 12.8° gap between them means the clock runs roughly 51 minutes ahead of the sun: solar noon arrives at about 12:51 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 14h 28m of daylight. The shortest is 22 June, with 9h 51m. The swing between them is 4h 37m. 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 Colonia del Sacramento the sun comes up earliest on 7 December at 05:32, while the latest sunset waits until 7 January at 20:07. 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 Colonia del Sacramento that civil twilight runs about 25 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 Colonia del Sacramento, Uruguay is America/Montevideo with a current UTC offset of UTC−3.
Colonia del Sacramento has an estimated population of 27K and is located at coordinates 34.47°S, 57.84°W.
Colonia del Sacramento gets 14h 28m of daylight on its longest day and 9h 51m on its shortest, averaging 12h 6m a day across the year.
Solar noon in Colonia del Sacramento falls at about 12:51 on UTC−3 standard time, because the city sits 12.8° from the meridian its zone is built on.
A Town That Kept Changing Hands: Colonia del Sacramento was founded by Portugal in 1680 directly opposite Spanish Buenos Aires, and changed hands between the two powers repeatedly over the next century.