Time differences or offsets between various time zones in South America and GMT/UTC range from 2 to 5 hours, and, as they are all east of the Prime Meridian or longitude zero, the offset has minus sign in front of it.

Some South American countries do not observe DST, scroll down for a table of time zone abbreviations and offsets,for each country and territory.

GMT/UTC offsets for South America time zones

TZ abbr	Country / territory	Standard	DST
ART	Argentina	GMT-3	NO DST
BOT	Bolivia	GMT-4	NO DST
BRT/BRST	Brazil - Brasilia Time	GMT-3	NO DST
AMT/AMST	Brazil - Amazon Time	GMT-4	NO DST
ACT	Brazil - Acre Time	GMT-5	NO DST
FNT	Brazil - Fernando de Nororonha	GMT-2	NO DST
CLT/CLST	Chile	GMT-4	GMT-3
EAST/EASST	Chile, Easter Island	GMT-6	GMT-5
COT	Colombia	GMT-5	NO DST
ECT	Ecuador	GMT-5	NO DST
PYT/PYST	Paraguay	GMT-4	GMT-3
PET	Peru	GMT-5	NO DST
SRT	Suriname	GMT-3	NO DST
UYT/UYST	Uruguay	GMT-3	NO DST
VET	Venezuela	GMT-4	NO DST
FKT/FKST	Falkland Islands	GMT-3	NO DST
GYT	Guyana	GMT-4	NO DST
GFT	French Guiana	GMT-3	NO DST
SRT	South Georgia and Sandwich Islands	GMT-2	NO DST

South America time zones

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GMT/UTC offsets for South America time zones

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