AMT to GFT 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
8:00 am08:00 AMT (UTC-4), Oct 29, 2026 = 9:00 am09:00 GFT (UTC-3), Oct 29, 2026
AMT is 1 hour behind GFT.
AMT and GFT examples
These examples always use AMT (UTC-4) and GFT (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 GFT.
How the time difference changes
AMT is 1 hour behind GFT year-round.
Working hours of 9:00 am to 6:00 pm in AMT correspond to 10:00 am to 7:00 pm in GFT.Working hours of 09:00 to 18:00 in AMT correspond to 10:00 to 19:00 in GFT.
Compare AMT time with GFT 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 French Guiana Time.
8:00 am08:00 in AMT is 9:00 am09:00 in GFT
AMT to GFT call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in AMT which corresponds to 10am-6pm10:00-18:00 in GFT
8:00 am08:00 Amazon Time (AMT). Offset UTC -4:00 hours
9:00 am09:00 French Guiana Time (GFT). Offset UTC -3:00 hours
8:00 am08:00 AMT / 9:00 am09:00 GFT
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.
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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
French Guiana Time
Offset: GFT is 3 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: French Guiana
Principal Cities: The largest city in the GFT time zone is Cayenne in French Guiana, with about 61,550 people. Other major cities in this time zone include Saint-Laurent-du-Maroni, Kourou, Apatou, Grand-Santi.
Daylight Saving: Clocks in French Guiana Time (GFT) do not change for daylight saving time, so GFT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
GFT 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 GFT
- 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 - 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