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Guinea does NOT observe Daylight Saving Time. Local clocks remain constant throughout the year on standard time, with no seasonal spring/fall 1-hour adjustments.
Optimal overlapping time windows to schedule remote team meetings, vendor synchronization, and client calls between major global economic regions and Guinea.
Timezone Twins: The following countries and territories share the exact same standard clock as Guinea:
The directory below details the official time zone designations, IANA database identifiers, real-time clocks, and standard UTC offsets active across Guinea.
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 🔴 |
| 2026-03-02 | Independence Day | Public | gregorian | Closed 🔴 |
| 2026-05-01 | Labour Day | Public | gregorian | Closed 🔴 |
| 2026-04-08 | Eid al-Fitr | Religious | islamic | Open 🟢 |
| 2026-06-15 | Eid al-Adha | Religious | islamic | Open 🟢 |
| 2026-11-04 | Mawlid an-Nabi | Religious | islamic | Open 🟢 |
| 2026-08-15 | National Heroes Day | Public | gregorian | Closed 🔴 |
| 2026-06-15 | Tabaski | Religious | islamic | Open 🟢 |
| 2026-07-15 | Korite | Religious | islamic | Open 🟢 |
| 2026-12-25 | Christmas Day | Public | gregorian | Closed 🔴 |
| 2026-12-26 | Boxing Day | Public | gregorian | Closed 🔴 |
| 2026-02-02 | National Youth Day | Public | gregorian | Closed 🔴 |
| 2026-03-08 | International Women's Day | Observance | gregorian | Open 🟢 |
| 2026-05-25 | Africa Day | Observance | gregorian | Open 🟢 |
| 2026-03-06 | Start of Ramadan | Religious | islamic | Open 🟢 |
| 2026-04-05 | End of Ramadan | Religious | islamic | Open 🟢 |
| 2026-05-14 | Ascension Day | Religious | christian | Open 🟢 |
| 2026-05-24 | Pentecost | Religious | christian | Open 🟢 |
| 2026-11-01 | All Saints' Day | Religious | christian | Open 🟢 |
| 2026-09-28 | National Founding Day | Public | gregorian | Closed 🔴 |
| 2026-10-05 | National Teachers' Day | Observance | gregorian | Open 🟢 |
| 2026-11-18 | National Farmers' Day | Observance | gregorian | Open 🟢 |
| 2026-05-02 | National Independence Anniversary (Second) | Public | gregorian | Closed 🔴 |
| 2026-07-20 | National Unity Day | Observance | gregorian | Open 🟢 |
| 2026-04-12 | National Culture Day | Observance | gregorian | Open 🟢 |
Physiological time difference and circadian adjustment expectations when traveling to Guinea:
Official format conventions and time standards recognized in Guinea:
| Preferred Date Format | DD-MM-YYYY |
|---|---|
| Standard Clock Format | 24-hour |
| First Day of the Week | Monday |
| 24-Hour Military Clock Used? | Yes |
Guinea has historically adhered to GMT and has not undergone significant timezone changes.
The current time in Guinea is based on Africa/Conakry with a UTC offset of UTC+00:00. Real-time clocks above are synchronized with high-precision atomic stratum-1 time servers.
No, Guinea does not observe Daylight Saving Time. Clocks remain on standard time all year.
Standard business hours in Guinea are typically 08:00 - 17:00, 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 Guinea is +224.