Montevideo in numbers
- Coordinates
- -34.9033, -56.1882
- Population
- 1 270 737
- Region
- Montevideo Department
- Country
- Uruguay, South America
- Capital
- Montevideo — 0 km away
- Same name
- 44 more places in the world share this name
Montevideo keeps Uruguay Time, UTC−3, all year. The capital does not currently change clocks for summer. Sunrise, sunset, and Río de la Plata weather belong to this city.
Montevideo, Uruguay
Friday, 4 September 2026
UTC−3 · America/Montevideo
Local time in Montevideo
UTC−3 · no daylight saving time
Sunrise 07:01 Solar noon 12:45 Sunset 18:29 Daylight 11 h 28 min Night 12 h 32 min Civil twilight 06:36 – 18:54
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Weather data by Open-Meteo, updated every 30 minutes.
Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.
What time is it in Montevideo is the civil hour on the north shore of the Río de la Plata, in Montevideo Department. The IANA identifier is America/Montevideo. Uruguay uses one offset under the present rule. A clock in Salto and a clock here should show the same hour. They will not show the same river wind, and they will not show the same winter dusk.
Uruguay does not currently add a summer hour. Visitors who pack an Argentine rumour, a Brazilian rumour, or a European spring-forward habit will mis-set the first Monday alarm. Neighbouring countries have used other arrangements in other years; this page is Montevideo’s present rule. The live clock is the conversion base. A remembered “Montevideo goes forward in October” belongs to an older diary, not to the offset in force now.
A morning meeting here is already afternoon in much of Europe. A late dinner is still the working afternoon in the United States. Name both the local hour and the date when the other party is far west or far east. Because this city is in the southern hemisphere, that evening in December is long and bright, and the same clock time in June is already winter dark.
UTC−3 is built on 45°W. Montevideo sits west of that meridian, on a wide estuary that looks like a sea. Highest sun therefore lands after 12:00 on the wall. Office lunch is a civil habit; the sun’s peak is a later minute. Port hours, broadcast schedules, and school bells follow the civil habit. Photographers on the rambla may follow the sun.
The department and the city share a name and this hour. There is no “capital-only” clock and no “interior” clock. If a phone shows a different hour after a flight inside Uruguay, the phone is wrong, not the department line. Argentina across the water often matches this UTC−3 under its present national rule. That match is convenient. It is still not a reason to copy Buenos Aires rain onto this rambla, and it is not a promise that both countries will keep the same arrangement forever. Convert through two live clocks on the day of the call.
Civil stamp here: Uruguay Time, UTC−3, all year under current rules. Computer name: America/Montevideo. Daylight saving: not currently used. Hemisphere: long days around December, short days around June.
Sun: later than the wall at noon, because the city sits west of 45°W. Write UTC−3 or Uruguay Time, and name Montevideo. “9 a.m. South America” is not a time. “9 a.m. in Montevideo” is.
Montevideo is in the southern hemisphere. The long-day months are around December. The short-day months are around June. That is the opposite of Toronto’s calendar, on a different offset, with a different DST story. The sun table on this page tracks this latitude and this date. A June sunrise copied from a northern city is the wrong season as well as the wrong place.
Day length still changes enough that a 6:00 p.m. exit can be daylight in one month and night in another. Because the offset does not currently change, that swing is the sun, not a government falling-back. Visitors from countries that do use daylight time sometimes hear an early June dusk and assume Uruguay “went back.” Check the offset line. If it still says UTC−3, the dusk is the sun in winter.
June dusk on the rambla is winter, not a clock that “went back.” Uruguay kept UTC−3. The sun did the rest. The climate is humid subtropical: a warm summer, a cooler winter, and Atlantic air off the estuary. None of that is a time zone. A dark afternoon under a pampero sky is still afternoon on UTC−3. The weather line is the present reading for this city, not a Punta del Este copy and not a Buenos Aires copy. Schedule the call on UTC−3. Pack the layer from the weather line. The capital of Uruguay will still be on this offset while those two disagree.
On a mixed invite write 09:00 Montevideo (UTC−3). Tag the event America/Montevideo. A standing call at 21:00 here stays at 21:00 here. Their spring-forward is what alters the gap. Do not “help” by adding an hour in October because a neighbour once did.