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French Guiana observes Daylight Saving Time. Next clock forward change is scheduled for 2024-03-31. Clocks will fall back on 2024-10-27.
Optimal overlapping time windows to schedule remote team meetings, vendor synchronization, and client calls between major global economic regions and French Guiana.
Timezone Twins: The following countries and territories share the exact same standard clock as French Guiana:
The directory below details the official time zone designations, IANA database identifiers, real-time clocks, and standard UTC offsets active across French Guiana.
Complete schedule of national holidays, bank closures, religious festivals, and observances. Switch between years (2024–2028) and filter by holiday category:
| Date | Holiday Name | Classification | Calendar Basis | Office Status |
|---|---|---|---|---|
| 2026-01-01 | New Year's Day | Public | gregorian | Closed 🔴 |
| 2026-05-01 | Labour Day | Public | gregorian | Closed 🔴 |
| 2026-05-08 | Victory in Europe Day | Public | gregorian | Closed 🔴 |
| 2026-07-14 | Bastille Day | Public | gregorian | Closed 🔴 |
| 2026-08-15 | Assumption of Mary | Public | gregorian | Closed 🔴 |
| 2026-11-01 | All Saints' Day | Religious | gregorian | Open 🟢 |
| 2026-11-11 | Armistice Day | Observance | gregorian | Open 🟢 |
| 2026-12-25 | Christmas Day | Public | gregorian | Closed 🔴 |
| 2026-06-29 | Saint Peter and Paul | Religious | gregorian | Open 🟢 |
| 2026-07-29 | National Abolition Day | Public | gregorian | Closed 🔴 |
| 2026-09-29 | Saint Michael | Religious | gregorian | Open 🟢 |
| 2026-11-03 | Saint Hubert | Religious | gregorian | Open 🟢 |
| 2026-10-09 | Saint Denis | Religious | gregorian | Open 🟢 |
| 2026-11-11 | Saint Martin | Religious | gregorian | Open 🟢 |
| 2026-11-30 | Saint Andrew | Religious | gregorian | Open 🟢 |
| 2026-12-08 | Immaculate Conception | Religious | gregorian | Open 🟢 |
| 2026-12-13 | Saint Lucia's Day | Religious | gregorian | Open 🟢 |
| 2026-06-24 | Saint John the Baptist | Religious | gregorian | Open 🟢 |
| 2026-07-26 | Saint Anne | Religious | gregorian | Open 🟢 |
| 2026-08-24 | Saint Bartholomew | Religious | gregorian | Open 🟢 |
| 2026-09-21 | Saint Matthew | Religious | gregorian | Open 🟢 |
| 2026-10-01 | Saint Teresa of Lisieux | Religious | gregorian | Open 🟢 |
Physiological time difference and circadian adjustment expectations when traveling to French Guiana:
Official format conventions and time standards recognized in French Guiana:
| Preferred Date Format | DD-MM-YYYY |
|---|---|
| Standard Clock Format | 24-hour |
| First Day of the Week | Monday |
| 24-Hour Military Clock Used? | Yes |
French Guiana's timezone is closely tied to France and EU directives. Changes are infrequent but possible.
The current time in French Guiana is based on America/Cayenne with a UTC offset of UTC-03:00. Real-time clocks above are synchronized with high-precision atomic stratum-1 time servers.
Yes, French Guiana observes Daylight Saving Time. Clocks are adjusted seasonally to maximize natural daylight.
Standard business hours in French Guiana are typically 08:00 - 12:00, 14:00 - 18:00, Monday through Friday.
Refer to the Remote Work Call Planner section above for region-specific recommended calling windows from the US, Europe, and Asia-Pacific.
The international telephone dialing code for French Guiana is +594.