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Uruguay
UYT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
GMT
Greenwich Mean Time
GMT +0
12am
3am
6am
9am
12pm
3pm
6pm
9pm
The United Kingdom is on summer time: BST (UTC+1) until Sun, Oct 25.

Iceland and Ghana stay on GMT (UTC+0).

Quick answers

Selected conversion

9:00 am09:00 UYT (UTC-3), Oct 10, 2026 = 12:00 pm12:00 GMT (UTC+0), Oct 10, 2026

Montevideo is 3 hours behind GMT.

How the time difference changes

Montevideo is 3 hours behind GMT year-round.

Working hours of 9:00 am to 5:00 pm in Montevideo correspond to 12:00 pm to 8:00 pm in GMT.Working hours of 09:00 to 17:00 in Montevideo correspond to 12:00 to 20:00 in GMT.

Compare Montevideo time with GMT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

UYT (Uruguay Time) is 3 hours behind Greenwich Mean Time.
9:00 am09:00 in Montevideo, Uruguay is 12:00 pm12:00 in GMT

Montevideo to GMT call time
Best time for a conference call or a meeting is between 9am-2pm09:00-14:00 in Montevideo which corresponds to 12pm-5pm12:00-17:00 in GMT

9:00 am09:00 UYT (Uruguay Time) (Montevideo, Uruguay). Offset UTC -3:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours

9:00 am09:00 Montevideo, Uruguay / 12:00 pm12:00 GMT

Montevideo, UruguayGMT
12:00am3:00am
1:00am4:00am
2:00am5:00am
3:00am6:00am
4:00am7:00am
5:00am8:00am
6:00am9:00am
7:00am10:00am
8:00am11:00am
9:00am12:00pm
10:00am1:00pm
11:00am2:00pm
12:00pm3:00pm
1:00pm4:00pm
2:00pm5:00pm
3:00pm6:00pm
4:00pm7:00pm
5:00pm8:00pm
6:00pm9:00pm
7:00pm10:00pm
8:00pm11:00pm
9:00pm12:00am
10:00pm1:00am
11:00pm2:00am
00:0003:00
01:0004:00
02:0005:00
03:0006:00
04:0007:00
05:0008:00
06:0009:00
07:0010:00
08:0011:00
09:0012:00
10:0013:00
11:0014:00
12:0015:00
13:0016:00
14:0017:00
15:0018:00
16:0019:00
17:0020:00
18:0021:00
19:0022:00
20:0023:00
21:0000:00
22:0001:00
23:0002:00

Montevideo Information

Time Zone

Abbreviation / Name
UYT - Uruguay Time
UTC / GMT Offset
-3:00 hours during Uruguay Time, currently in use.

Montevideo Facts

Country
Uruguay
Alternative Names
Ciudad de Montevideo, MVD, Mantehvideha, Montebideo, Montevidejas, Montevideo, Montevideu, Montevidiejos, Montevidéu, Montevidėjas, Montevídeó, Muntivideu, Muntividew, Muntividèu, Muntividëw, Urbs Montis Videi, mantibhiri'o, meantevidiyea, meng de wei de ya, meng te wei duo, montebide'o, montebide-o, montebideo, montevide'o, montevidi'o, montevidiyo, montevitiyo, mwntfydw, mwnth wydyw, mwntybydyw, mxn te wi de xo, Μοντεβιδέο, Мантэвідэа, Монтевидео, Монтевідео, Մոնտևիդեո, מאנטעווידעא, מונטווידאו, مونتفيدو, مونته ویدئو, مونته‌ویدئ, مونته‌ویدئو, مونتیبیدیو, مونتېۋىدېئو, मोण्टेवीडियो, मोन्तेविदेओ, মোন্তেবিদেও, ਮੋਂਤੇਵੀਦਿਓ, ମଣ୍ଟିଭିଡ଼ିଓ, மொண்டேவீடியோ, മൊണ്ടേവീഡിയോ, มอนเตวิเดโอ, མཱོན་ཊི་ཝི་ཌོ།, မွန်တီဗစ်ဒီအိုမြို့, მონტევიდეო, ሞንቴቪዴዎ, モンテビデオ, 蒙得维的亚, 蒙特維多, 몬테비데오
Population
1,270,737
Currency
Peso (UYU)
Geographic Coordinates
34° 54' S Latitude / 56° 11' W Longitude
International Dialing Code
+598

Greenwich Mean Time

Offset: GMT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Europe

Countries using this time zone: Burkina Faso, Côte d'Ivoire, Britain (UK), Guernsey, Ghana, Greenland, Gambia, Guinea, Guinea-Bissau, Ireland, Isle of Man, Iceland, Jersey, Liberia, Mali, Mauritania, St Helena, Sierra Leone, Senegal, Sao Tome & Principe, Togo

Principal Cities: The largest city in the GMT time zone is London in United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Dakar, Kumasi.

Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use for the most parts it is the same. In military GMT is known as Zulu time.Greenwich Mean Time was the same as Universal Time (UT), until the introduction of UTC in 1972 a standard astronomical concept used in many technical fields.

GMT Time Zone Geo Map
GMT timezone map

GMT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for GMT
  • Z - short form of 'Zulu'
IANA/Olson: Reflects GMT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Abidjan
  • Africa/Accra
  • Africa/Bamako
  • Africa/Banjul
  • Africa/Bissau
  • Africa/Conakry
  • Africa/Dakar
  • Africa/Freetown
  • Africa/Lome
  • Africa/Monrovia
  • Africa/Nouakchott
  • Africa/Ouagadougou
  • Africa/Sao_Tome
  • Africa/Timbuktu
  • America/Danmarkshavn
  • Atlantic/Reykjavik
  • Atlantic/St_Helena
  • Eire
  • Etc/GMT
  • Etc/GMT+0
  • Etc/GMT-0
  • Etc/GMT0
  • Etc/Greenwich
  • Europe/Belfast
  • Europe/Dublin
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
  • GMT
  • GMT+0
  • GMT-0
  • GMT0
  • Greenwich
  • Iceland
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Universal Time Coordinated
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone