Home > Time Zones > Abbreviations > CLST – Chile Summer Time

CLST – Chile Summer Time (Daylight Saving Time)

Also known as: CLDT – Chile Daylight Time

CLST is not used at all this year

South America: CLST is not observed in any location this year. Locations that used to be on CLST for part or all of the year are now on CLT instead.

Antarctica: CLST is not observed in any location this year.

Time zone map of CLST
No locations currently on CLST.
Observes CLST part of the year.
Areas with same time currently (UTC -3:00).
No locations are currently on CLST – Chile Summer Time.
Observes CLST – Chile Summer Time part of the year, but not currently.
Currently has same time zone offset as CLST (UTC -3:00) but different time zone name.

Chile Summer Time (CLST) is 3 hours behind Coordinated Universal Time (UTC). This time zone is a DST (daylight saving time) time zone and is used in: South America, Antarctica.

See full time zone map

Winter Time & DST

This time zone is a daylight saving/summer time zone, in the winter some places will switch to the corresponding standard time zone: CLT (Chile Standard Time).

Email time zone indicator: -0300

An email sent from someone in the Chile Summer Time (CLST) time zone will have the time zone listed as "-0300" in the headers of the email. (However, "-0300" does not have to be in Chile Summer Time, as other time zones could have the same UTC offset).

Where and when is CLST observed?

South America

South American countries using CLST in the summer and CLT in the winter

  • Chile - mainland
This time zone is no longer in use, but some locations may observe the same UTC offset (local time) under a different name.

Other time zones in UTC -3:00

Some time zones exist that have the same offset as CLST, but can be found under a different name:

No locations currently on CLST

Find current time and time zone by city


Example cities

Chile – Santiago (Summer)

Related time zones

CLT – Chile Standard Time (Standard Time)

Time Zone Map with DST

Time zone map

Time Zone Map