AMT to ART Converter
Quick answers
Selected conversion
8:00 am08:00 AMT (UTC-4), Oct 4, 2026 = 9:00 am09:00 ART (UTC-3), Oct 4, 2026
AMT is 1 hour behind ART.
AMT and ART examples
These examples always use AMT (UTC-4) and ART (UTC-3). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
AMT is 1 hour behind ART.
How the time difference changes
AMT is 1 hour behind ART year-round.
Working hours of 9:00 am to 5:00 pm in AMT correspond to 10:00 am to 6:00 pm in ART.Working hours of 09:00 to 17:00 in AMT correspond to 10:00 to 18:00 in ART.
Compare AMT time with ART time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Amazon Time is 1 hour behind Argentina Time.
8:00 am08:00 in AMT is 9:00 am09:00 in ART
AMT to ART call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in AMT which corresponds to 10am-5pm10:00-17:00 in ART
8:00 am08:00 Amazon Time (AMT). Offset UTC -4:00 hours
9:00 am09:00 Argentina Time (ART). Offset UTC -3:00 hours
8:00 am08:00 AMT / 9:00 am09:00 ART
| AMT | ART |
|---|---|
| 12:00am | 1:00am |
| 1:00am | 2:00am |
| 2:00am | 3:00am |
| 3:00am | 4:00am |
| 4:00am | 5:00am |
| 5:00am | 6:00am |
| 6:00am | 7:00am |
| 7:00am | 8:00am |
| 8:00am | 9:00am |
| 9:00am | 10:00am |
| 10:00am | 11:00am |
| 11:00am | 12:00pm |
| 12:00pm | 1:00pm |
| 1:00pm | 2:00pm |
| 2:00pm | 3:00pm |
| 3:00pm | 4:00pm |
| 4:00pm | 5:00pm |
| 5:00pm | 6:00pm |
| 6:00pm | 7:00pm |
| 7:00pm | 8:00pm |
| 8:00pm | 9:00pm |
| 9:00pm | 10:00pm |
| 10:00pm | 11:00pm |
| 11:00pm | 12:00am |
| 00:00 | 01:00 |
| 01:00 | 02:00 |
| 02:00 | 03:00 |
| 03:00 | 04:00 |
| 04:00 | 05:00 |
| 05:00 | 06:00 |
| 06:00 | 07:00 |
| 07:00 | 08:00 |
| 08:00 | 09:00 |
| 09:00 | 10:00 |
| 10:00 | 11:00 |
| 11:00 | 12:00 |
| 12:00 | 13:00 |
| 13:00 | 14:00 |
| 14:00 | 15:00 |
| 15:00 | 16:00 |
| 16:00 | 17:00 |
| 17:00 | 18:00 |
| 18:00 | 19:00 |
| 19:00 | 20:00 |
| 20:00 | 21:00 |
| 21:00 | 22:00 |
| 22:00 | 23:00 |
| 23:00 | 00:00 |
Amazon Time
Offset: AMT is 4 hours behind Greenwich Mean Time (GMT) and is used in South America
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 Itacoatiara, Manacapuru, Parintins, Coari.
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
- FKT - Falkland Island Time
- GYT - Guyana Time
- HLV - Hora Legal de Venezuela
- PYT - Paraguay Time
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time
Argentina Time
Offset: ART is 3 hours behind Greenwich Mean Time (GMT) and is used in South America
Countries using this time zone: Argentina
Principal Cities: The largest city in the ART time zone is Buenos Aires in Argentina, with about 2.891 million people. Other major cities in this time zone include Mar del Plata, Quilmes, La Plata, Moron.
Daylight Saving: Clocks in Argentina Time (ART) do not change for daylight saving time, so ART stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
ART 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 ART
- P - short form of 'Papa'
- ADT - Atlantic Daylight Time
- PMT - Pierre & Miquelon Standard Time
- PMST - Pierre & Miquelon Standard Time
- AMST - Amazon Summer Time
- ART - Argentina Time
- BRT - Brasília time
- CLST - Chile Summer Time
- FKST - Falkland Islands Summer Time
- GFT - French Guiana Time
- P - Papa Time Zone
- PYST - Paraguay Summer Time
- SRT - Suriname Time
- UYT - Uruguay Time