Convert French Guiana Time to Japan Standard Time - Quick & Accurate
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Hover over any hour to see corresponding time in both zones
To schedule a meeting between GFT and JST:
Pro Tip: Schedule calls during the overlap window for optimal convenience for both time zones
| GFT Time | JST Time | Context |
|---|---|---|
| 12:00 AM | 12:00 PM | Midnight GFT |
| 01:00 AM | 01:00 PM | Late Night |
| 02:00 AM | 02:00 PM | Late Night |
| 03:00 AM | 03:00 PM | Late Night |
| 04:00 AM | 04:00 PM | Late Night |
| 05:00 AM | 05:00 PM | Late Night |
| 06:00 AM | 06:00 PM | Early Morning GFT |
| 07:00 AM | 07:00 PM | Night Time |
| 08:00 AM | 08:00 PM | Night Time |
| 09:00 AM | 09:00 PM | Work Starts GFT |
| 10:00 AM | 10:00 PM | Night Time |
| 11:00 AM | 11:00 PM | Night Time |
Cayenne
America/Cayenne
Tokyo
Asia/Tokyo
JST (Japan Standard Time) is 12 hours ahead of GFT (French Guiana Time). This means when it's 12:00 PM in Cayenne (GFT), it's 12:00 AM in Tokyo (JST).
The best time to call from GFT to JST is during overlapping business hours. For GFT callers, schedule between 9:00 AM - 12:00 PM GFT to ensure both parties are within standard business hours.
The time difference may change during daylight saving transitions if one region observes DST while the other doesn't. French Guiana Time (UTC-3) and Japan Standard Time (UTC+9) may have different DST schedules.
GFT includes cities like Cayenne. JST includes cities like Tokyo. Both time zones cover important business and cultural centers.
In 2025, DST in North America starts on March 9 at 2:00 AM and ends on November 2 at 2:00 AM. Other regions may have different DST schedules or not observe DST at all.