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GMT
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9pm
The United Kingdom is on summer time: BST (UTC+1) until Sun, Oct 25.

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

ChileCLST
UTC−3
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Quick answers

Selected conversion

12:00 pm12:00 GMT (UTC+0), Oct 13, 2026 = 9:00 am09:00 CLST (UTC-3), Oct 13, 2026

GMT is 3 hours ahead of San Clemente.

How the time difference changes

For most of the year, GMT is 3 hours ahead of San Clemente, Chile. From Apr 4 to Sep 5, 2027, GMT is 4 hours ahead of San Clemente, Chile.

For most of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 6:00 am to 2:00 pm in San Clemente, Chile. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 5:00 am to 1:00 pm in San Clemente, Chile.For most of the year, working hours of 09:00 to 17:00 in GMT correspond to 06:00 to 14:00 in San Clemente, Chile. At other times of the year, working hours of 09:00 to 17:00 in GMT correspond to 05:00 to 13:00 in San Clemente, Chile.

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

Time Difference

Greenwich Mean Time is 3 hours ahead of CLST (Chile Summer Time).
12:00 pm12:00 in GMT is 9:00 am09:00 in San Clemente, Chile

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

12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
9:00 am09:00 CLST (Chile Summer Time) (San Clemente, Chile). Offset UTC -3:00 hours

12:00 pm12:00 GMT / 9:00 am09:00 San Clemente, Chile

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Hourly time comparison
GMTSan Clemente, Chile
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Greenwich Mean Time

Offset: GMT is the same as Greenwich Mean Time (GMT).

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 the 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 the two are the same. In the military, GMT is known as Zulu time. Greenwich Mean Time was the same as Universal Time (UT), a standard astronomical concept used in many technical fields, until the introduction of UTC in 1972.

Map of the areas on Greenwich Mean Time (GMT)
GMT all year GMT part of the year

Today the lighter areas are on UTC+1 (British Summer Time, Irish Standard Time).

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 - Coordinated Universal Time
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone

San Clemente Time Zone and Facts

Time Zone

Abbreviation / Offset
CLST – Chile Summer Time, UTC-3 (now, daylight saving time)
CLT – Chile Standard Time, UTC-4 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, April 4, 2027 at 12:00 amSunday, April 4, 2027 at 00:00: clocks go back 1 hour to Saturday, April 3, 2027 at 11:00 pmSaturday, April 3, 2027 at 23:00 (CLT). Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, September 5, 2027 at 12:00 amSunday, September 5, 2027 at 00:00: clocks go forward 1 hour to 1:00 am01:00 (CLST). Also called Spring Forward or Summer Time.

San Clemente Facts

Country
Chile
Population
39,538
Currency
Peso (CLP)
Geographic Coordinates
35° 32' S Latitude / 71° 29' W Longitude
International Dialing Code
+56