BRST to AMST Converter
AMST is not used on this date.
This converter uses AMT (UTC−4), as in Cuiaba.
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 17, 2026 = 8:00 am08:00 AMT (UTC-4), Oct 17, 2026
BRT is 1 hour ahead of AMT.
BRST and AMST examples
These examples always use BRST (UTC-2) and AMST (UTC-3). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
BRST is 1 hour ahead of AMST.
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 AMST 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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| 23:00 previous day | |
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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 Summer Time
Offset: AMST is 3 hours behind Greenwich Mean Time (GMT).
AMST representations, usage and related time zones
- -03 - basic short
- -0300 - basic
- -03:00 - extended
- -0300 - sign character (-) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the west of the zero meridian.
- Papa - Military abbreviation for AMST
- P - short form of 'Papa'
- Armenia Summer Time - UTC +5
- Amazon Summer Time - UTC -3
- ADT - Atlantic Daylight Time
- PMT - Pierre & Miquelon Standard Time
- PMST - Pierre & Miquelon Standard Time
- AMST - Amazon Summer Time
- ART - Argentina Time
- BRT - Brasilia Time
- CLST - Chile Summer Time
- FKST - Falkland Islands Summer Time
- FKT - Falkland Islands Time
- GFT - French Guiana Time
- P - Papa Time Zone
- PYST - Paraguay Summer Time
- PYT - Paraguay Time
- SRT - Suriname Time
- UYT - Uruguay Time