BRST to AMT Converter
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
9:00 am09:00 BRT (UTC-3), Oct 24, 2026 = 8:00 am08:00 AMT (UTC-4), Oct 24, 2026
BRT is 1 hour ahead of AMT.
BRST and AMT examples
These examples always use BRST (UTC-2) and AMT (UTC-4). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
BRST is 2 hours ahead of AMT.
How the time difference changes
BRT is 1 hour ahead of AMT year-round.
Working hours of 9:00 am to 6:00 pm in BRT correspond to 8:00 am to 5:00 pm in AMT.Working hours of 09:00 to 18:00 in BRT correspond to 08:00 to 17:00 in AMT.
Compare BRST time with AMT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Brasilia Time is 1 hour ahead of Amazon Time.
9:00 am09:00 in BRT is 8:00 am08:00 in AMT
BRT to AMT call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in BRT which corresponds to 9am-5pm09:00-17:00 in AMT
9:00 am09:00 Brasilia Time (BRT). Offset UTC -3:00 hours
8:00 am08:00 Amazon Time (AMT). Offset UTC -4:00 hours
9:00 am09:00 BRT / 8:00 am08:00 AMT
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| BRT | AMT |
|---|---|
| 11:00pm previous day | |
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| 5:00pm | |
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| 23:00 previous day | |
| 00:00 | |
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| 22:00 |
Brasilia Summer Time
Offset: BRST is 2 hours behind Greenwich Mean Time (GMT).
BRST representations, usage and related time zones
- -02 - basic short
- -0200 - basic
- -02:00 - extended
- -0200 - sign character (-) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the west of the zero meridian.
- Oscar - Military abbreviation for BRST
- O - short form of 'Oscar'
- PMDT - Pierre & Miquelon Daylight Time
- WGT - West Greenland Time
- BRST - Brasilia Summer Time
- FNT - Fernando de Noronha Time
- O - Oscar Time Zone
- UYST - Uruguay Summer Time
Amazon Time
Offset: AMT is 4 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Brazil
Principal Cities: The largest city in the AMT time zone is Manaus in Brazil, with about 2.22 million people. Other major cities in this time zone include Campo Grande, Cuiabá, Porto Velho, Boa Vista.
Daylight Saving: Clocks in Amazon Time (AMT) do not change for daylight saving time, so AMT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
AMT representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
- Quebec - Military abbreviation for AMT
- Q - short form of 'Quebec'
- Armenia Time - UTC +4
- Amazon Time - UTC -4
- AST - Atlantic Standard Time
- EDT - Eastern Daylight Time
- AMT - Amazon Time
- BOT - Bolivia Time
- CDT - Cuba Daylight Time
- CLT - Chile Standard Time
- GYT - Guyana Time
- HLV - Hora Legal de Venezuela
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time