Where and When is ACT Observed?

South America

Brazilian states using ACT all year:

  • Acre (includes Rio Branco)
  • Amazonas, small western area only (does not include state capital Manaus)

Other Time Zones in UTC -5

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

  • CDT – Central Daylight Time
  • CIST – Cayman Islands Standard Time
  • COT – Colombia Time
  • CST – Cuba Standard Time
  • EASST – Easter Island Summer Time
  • ECT – Ecuador Time
  • EST – Eastern Standard Time
  • PET – Peru Time
  • R – Romeo Time Zone

Time zones by continent/region

  • Africa
  • Antarctica
  • Asia
  • Atlantic
  • Australia
  • Caribbean
  • Central America
  • Europe
  • Indian Ocean
  • Military
  • North America
  • Pacific
  • South America

See all Time zone abbreviations

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ACT time now

4:25:21 am

Monday, September 1, 2025

  • UTC Offset: UTC -5
  • Same time as Chicago

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Example cities

Brazil – Rio Branco (All Year)


Time Zone Map with DST

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