Chile
CLST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CLST
Chile Summer Time
GMT -3
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Compare Santiago time with CLST 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 0 hours ahead of Chile Summer Time
9:00 am09:00 in Santiago, Chile is 9:00 am09:00 in CLST

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

9:00 am09:00 CLST (Chile Summer Time) (Santiago, Chile). Offset UTC -3:00 hours
9:00 am09:00 Chile Summer Time (CLST). Offset UTC -3:00 hours

9:00 am09:00 Santiago, Chile / 9:00 am09:00 CLST

Santiago, ChileCLST
12am (midnight)12am (midnight)
1am1am
2am2am
3am3am
4am4am
5am5am
6am6am
7am7am
8am8am
9am9am
10am10am
11am11am
12pm (noon)12pm (noon)
1pm1pm
2pm2pm
3pm3pm
4pm4pm
5pm5pm
6pm6pm
7pm7pm
8pm8pm
9pm9pm
10pm10pm
11pm11pm
00:0000:00
01:0001:00
02:0002:00
03:0003:00
04:0004:00
05:0005:00
06:0006:00
07:0007:00
08:0008:00
09:0009:00
10:0010:00
11:0011:00
12:0012:00
13:0013:00
14:0014:00
15:0015:00
16:0016:00
17:0017:00
18:0018:00
19:0019:00
20:0020:00
21:0021:00
22:0022:00
23:0023:00

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

Chile Summer Time

Offset: CLST is 3 hours behind Greenwich Mean Time (GMT) and is used in South America

Countries using this time zone: Chile

Principal Cities: The largest city in the CLST time zone is Santiago in Chile, with about 4.837 million people. Other major cities in this time zone include Puente Alto, Antofagasta, Vina del Mar, Valparaiso.

CLST Time Zone Geo Map
CLST timezone map

Daylight Saving: Chile Summer Time (CLST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Chile Standard Time (CLT).

Daylight saving time clock moves forward for one hour from 12am to 1amStart: Chile Summer Time (CLST) started on Sunday, September 7, 2025 at 12:00 am local time and clocks were set one hour forward to Sunday, September 7, 2025, 1:00 am. Daylight saving starts annually on the first Sunday of September

Daylight saving time clock moves back for one hour from 12am to 11pmEnd: Chile Summer Time (CLST) ends on Sunday, April 5, 2026 at 12:00 am local time and clocks are set one hour back to Saturday, April 4, 2026, 11:00 pm local standard time instead. Daylight saving ends annually on the first Sunday of April

CLST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -03 - basic short
  • -0300 - basic
  • -03:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0300 - sign character (-) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Papa - Military abbreviation for CLST
  • P - short form of 'Papa'
Time zones with the GMT -3 offset:
  • ADT - Atlantic Daylight Time
  • PMT - Pierre & Miquelon Standard Time
  • PMST - Pierre & Miquelon Standard Time
  • AMST - Amazon Summer Time
  • ART - Argentina Time
  • BRT - Brasília time
  • CLST - Chile Summer Time
  • FKST - Falkland Islands Summer Time
  • GFT - French Guiana Time
  • P - Papa Time Zone
  • PYST - Paraguay Summer Time
  • SRT - Suriname Time
  • UYT - Uruguay Time