Chile
CLST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
GMT
Greenwich Mean Time
GMT +0
12am
3am
6am
9am
12pm
3pm
6pm
9pm

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

Time Difference

CLST (Chile Summer Time) is 3 hours behind Greenwich Mean Time
9:00 am09:00 in Santiago, Chile is 12:00 pm12:00 in GMT

Santiago to GMT call time
Best time for a conference call or a meeting is between 9am-2pm in Santiago which corresponds to 12pm-5pm in GMT

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

9:00 am09:00 Santiago, Chile / 12:00 pm12:00 GMT

Santiago, ChileGMT
12am (midnight)3am
1am4am
2am5am
3am6am
4am7am
5am8am
6am9am
7am10am
8am11am
9am12pm (noon)
10am1pm
11am2pm
12pm (noon)3pm
1pm4pm
2pm5pm
3pm6pm
4pm7pm
5pm8pm
6pm9pm
7pm10pm
8pm11pm
9pm12am (midnight)
10pm1am
11pm2am
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

Santiago Information

Time Zone

Abbreviation / Name
CLT - Chile Standard Time
CLST - Chile Summer Time
UTC / GMT Offset
-4:00 hours during Chile Standard Time, currently in use.
-3:00 hours during Chile Summer Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 12am to 1amSunday, September 6, 2026 at 12:00 am local time. DST starts annually on the 1st Sunday of September. Clocks are turned forward 1 hour to Sunday, September 6, 2026 at 1:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 12am to 11pmSunday, April 5, 2026 at 12:00 am local time. DST ends annually on the 1st Sunday of April. Clocks are turned backward 1 hour to Saturday, April 4, 2026 at 11:00 pm local standard time instead. Also called Fall Back or switch to Winter Time.

Santiago Facts

Country
Chile
Alternative Names
Ciles Santjagas, CiudadSantiago, SCL, Sanctiacobi, Sant'jago, Santiago, Santiago de Chile, Santiago de Xile, Santiago del Cile, Santiago do Chile, Santiago du Chili, Santiago du Ch·ili, Santianko, Santjago, Santjago de Chile, Santjago de Chili, Stgo., santiago, santixako, santiyago, santyaghw, santyagw, santyyagw, sheng de ya ge, Čilės Santjagas, Σαντιάγκο, Σαντιάγο, Сантьяго, Сантяго де Чиле, Сантяго де Чили, סנטיאגו דה צ'ילה, سانتىياگو, سانتياغو, سانتیاگو, সান্টিয়াগো, ซันติอาโก, სანტიაგო დე ჩილე, ሳንቲያጎ, サンティアゴ, 圣地亚哥, 산티아고
Population
4,837,295
Currency
Peso (CLP)
Geographic Coordinates
33° 27' S Latitude / 70° 38' W Longitude
International Dialing Code
+56

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 7.557 million people. Other major cities in this time zone include Abidjan, Dakar, Grand Dakar, Accra.

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