Where and When is AMT Observed?

South America

Brazilian states using AMT all year:

  • Amazonas (includes Manaus), except western part
  • Rondônia (includes Porto Velho)
  • Roraima (includes Boa Vista)

Other Time Zones in UTC -4

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

  • AST – Atlantic Standard Time
  • BOT – Bolivia Time
  • CDT – Cuba Daylight Time
  • CIDST – Cayman Islands Daylight Saving Time
  • CLT – Chile Standard Time
  • EDT – Eastern Daylight Time
  • FKT – Falkland Island Time
  • GYT – Guyana Time
  • Q – Quebec Time Zone
  • VET – Venezuelan Standard Time

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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AMT time now

5:21:31 am

Monday, September 1, 2025

  • UTC Offset: UTC -4
  • Same time as Toronto

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Other time zones named AMT

AMT – Armenia Time

Example cities

Brazil – Manaus (All Year)
Brazil – Cuiabá (Winter)

Related time zones

AMST – Amazon Summer Time (Daylight Time)


Time Zone Map with DST

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