Chile Summer Time (CLST) is 3 hours behind Coordinated Universal Time (UTC). This time zone is in use during Daylight Saving Time in: South America, Antarctica.
See full time zone mapWhere and When is CLST Observed?
South America
Antarctica
Locations in Antarctica using CLST all year round
Other Time Zones in UTC -3
Some time zones exist that have the same offset as CLST, but can be found under a different name: