AMT – Amazon Time (Standard Time)
Areas with same time currently (UTC -4).
Currently has same time zone offset as AMT (UTC -4) but different time zone name.
Amazon Time (AMT) is 4 hours behind Coordinated Universal Time (UTC). This time zone is in use during standard time in: South America.
Summer Time & DST
Some places observe daylight saving time/summer time during the summer, and therefore use AMST (Amazon Summer Time) in the summer.
Email Time Zone Indicator: -0400
An email sent from someone in the Amazon Time (AMT) time zone will have the time zone listed as "-0400" in the headers of the email. (However, "-0400" does not have to be in Amazon Time, as other time zones could have the same UTC offset).
Where and When is AMT Observed?
South America
Brazilian states using AMT in the winter and AMST in the summer:
- Mato Grosso (some exceptions, but including Cuiabá)
- Mato Grosso Do Sul (includes Campo Grande)
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:
Time zones by continent/region
AMT time now
4:41:02pm
Wednesday, May 23, 2018
- AMT will be observed in Cuiabá until Nov 4, 2018 at 12:00 am
- UTC Offset: UTC -4
- Same time as Washington DC
Find current time and time zone by city
Other time zones named AMT
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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