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CLST
Chile Summer Time
GMT -3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EASST
Easter Island Summer Time
GMT -5
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

9:00 am09:00 CLST (UTC-3), Oct 5, 2026 = 7:00 am07:00 EASST (UTC-5), Oct 5, 2026

CLST is 2 hours ahead of EASST.

CLST and EASST examples

These examples always use CLST (UTC-3) and EASST (UTC-5). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

CLST is 2 hours ahead of EASST.

How the time difference changes

For most of the year, CLST is 2 hours ahead of EASST. At other times of the year, CLT is 2 hours ahead of EAST.

For most of the year, working hours of 9:00 am to 5:00 pm in CLST correspond to 7:00 am to 3:00 pm in EASST. At other times of the year, working hours of 9:00 am to 5:00 pm in CLT correspond to 7:00 am to 3:00 pm in EAST.For most of the year, working hours of 09:00 to 17:00 in CLST correspond to 07:00 to 15:00 in EASST. At other times of the year, working hours of 09:00 to 17:00 in CLT correspond to 07:00 to 15:00 in EAST.

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

Time Difference

Chile Summer Time is 2 hours ahead of Easter Island Summer Time.
9:00 am09:00 in CLST is 7:00 am07:00 in EASST

CLST to EASST call time
Best time for a conference call or a meeting is between 11am-5pm11:00-17:00 in CLST which corresponds to 9am-3pm09:00-15:00 in EASST

9:00 am09:00 Chile Summer Time (CLST). Offset UTC -3:00 hours
7:00 am07:00 Easter Island Summer Time (EASST). Offset UTC -5:00 hours

9:00 am09:00 CLST / 7:00 am07:00 EASST

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

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 hourStart: Chile Summer Time (CLST) started on Sunday, September 6, 2026 at 12:00 am00:00 local time and clocks were set one hour forward to Sunday, September 6, 2026, 1:00 am01:00. Daylight saving starts annually on the first Sunday of September.

Daylight saving time clock moves back for one hourEnd: Chile Summer Time (CLST) ends on Sunday, April 4, 2027 at 12:00 am00:00 local time and clocks are set one hour back to Saturday, April 3, 2027, 11:00 pm23:00 local standard time instead. Daylight saving ends annually on the first Sunday of April.

See upcoming clock changes worldwide.

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

Easter Island Summer Time

Offset: EASST is 5 hours behind Greenwich Mean Time (GMT) and is used in Pacific

Countries using this time zone: Chile

EASST Time Zone Geo Map
EASST timezone map

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

Daylight saving time clock moves forward for one hourStart: Easter Island Summer Time (EASST) started on Saturday, September 5, 2026 at 10:00 pm22:00 local time and clocks were set one hour forward to Saturday, September 5, 2026, 11:00 pm23:00. Daylight saving starts annually on the first Saturday of September.

End: Easter Island Summer Time (EASST) ends on Saturday, April 3, 2027 at 10:00 pm22:00 local time and clocks are set one hour back to Saturday, April 3, 2027, 9:00 pm21:00 local standard time instead. Daylight saving ends annually on the first Saturday of April.

See upcoming clock changes worldwide.

EASST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for EASST
  • R - short form of 'Romeo'
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone