GFT to TRT Time Converter

Convert French Guiana Time (GFT) to Turkey Time (TRT). Both time zones are shown live below; current offset between them is 6 hours ahead.

Cayenne · French Guiana Time
12:59:01
Tuesday, May 12, 2026
GMT-3 · UTC-03:00
Istanbul · Turkey Time
18:59:01
Tuesday, May 12, 2026
GMT+3 · UTC+03:00

Convert a specific time

From: GFT (Cayenne)
To: TRT (Istanbul)
--:--

Daylight Saving status right now

GFT (French Guiana Time)
Observes DST
No
TRT (Turkey Time)
Observes DST
No

When can GFT and TRT meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
GFT
TRT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Cayenne (GFT). Each row shows the local working-hours state in that zone for the same moment in time.
2 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 09:0010:00 GFT (15:0016:00 TRT).

Hour-by-hour GFT to TRT conversion table

GFT time (Cayenne)TRT time (Istanbul)Status
00:00 Tue06:00 TueOff-hours both sides
01:00 Tue07:00 TueOff-hours both sides
02:00 Tue08:00 TueOff-hours both sides
03:00 Tue09:00 TueTRT working
04:00 Tue10:00 TueTRT working
05:00 Tue11:00 TueTRT working
06:00 Tue12:00 TueTRT working
07:00 Tue13:00 TueTRT working
08:00 Tue14:00 TueTRT working
09:00 Tue15:00 TueBoth at work
10:00 Tue16:00 TueBoth at work
11:00 Tue17:00 TueGFT working
12:00 Tue18:00 TueGFT working
13:00 Tue19:00 TueGFT working
14:00 Tue20:00 TueGFT working
15:00 Tue21:00 TueGFT working
16:00 Tue22:00 TueGFT working
17:00 Tue23:00 TueOff-hours both sides
18:00 Tue00:00 WedOff-hours both sides
19:00 Tue01:00 WedOff-hours both sides
20:00 Tue02:00 WedOff-hours both sides
21:00 Tue03:00 WedOff-hours both sides
22:00 Tue04:00 WedOff-hours both sides
23:00 Tue05:00 WedOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

French Guiana Time (GFT)
IANA identifier
America/Cayenne
Current UTC offset
UTC-03:00
Current abbreviation
GMT-3
Major cities in this zone
Cayenne
Turkey Time (TRT)
IANA identifier
Europe/Istanbul
Current UTC offset
UTC+03:00
Current abbreviation
GMT+3
Major cities in this zone
IstanbulAnkara

Sun today in Cayenne and Istanbul

Istanbul
Sunrise
05:50
Sunset
20:12
Solar noon
13:01
Daylight
14h 21m

Related converters

Looking for local time? See time in Cayenne or time in Istanbul.

Frequently asked questions

What is the time difference between GFT and TRT right now?+
TRT (Turkey Time) is currently 6 hours ahead GFT (French Guiana Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does GFT or TRT observe daylight saving time?+
GFT: does not observe daylight saving time. TRT: does not observe daylight saving time.
When is the best time to schedule a meeting between GFT and TRT?+
The strongest overlap is 09:00–10:00 GFT (15:00–16:00 TRT), giving 2 hours when both sides are within standard 9am-5pm working hours.
What time is it in Istanbul when it is 12:00 noon in Cayenne?+
When it is 12:00 Tue in Cayenne (GFT), it is 18:00 Tue in Istanbul (TRT).
Which IANA time zone identifiers are used for GFT and TRT?+
GFT maps to "America/Cayenne" in the IANA database. TRT maps to "Europe/Istanbul". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Cayenne ahead of or behind Istanbul?+
Whether Cayenne (GFT) is ahead of or behind Istanbul (TRT) depends on the current UTC offsets. Right now TRT is 6 hours ahead GFT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for GFT and TRT?+
GFT is UTC-03:00 (GMT-3) and TRT is UTC+03:00 (GMT+3). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both GFT and TRT?+
Yes. There are 2 hours of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–10:00 GFT.