When to call Guinea (+224)
Guinea runs on GMT year-round — the same clock as London in winter. Knowing the best time to call Guinea on +224 keeps you inside Conakry office hours.
GMT, at a glance.
See the live gap between a global reference city and Guinea's permanent GMT zone — no calculator needed.
Guinea against the world's hubs.
Compare live Guinean time against New York, London and Abidjan so your call lands inside Conakry office hours.
Understanding the time difference between the United States and Guinea
Time zone differences across other major countries
Why timing matters for calls to Guinea.
GMT aligns Conakry with London and Dakar — a morning call bridges West Africa's mineral coast and Europe in one session.
The best windows to reach Guinea.
Four factors that decide when a Guinean prospect picks up — anchored to the permanent GMT business day.
Guinea runs at UTC
The zone is Africa/Conakry. Every window on this page is worked out from that offset rather than a rule of thumb, so the times shown are the ones that actually apply to Guinea.
No daylight saving
Guinea stays on UTC all year. The windows below only move when the caller's own country changes its clocks, not when Guinea does.
Shared hours with 3 of 5 markets
Callers in New York, London, Mumbai share part of the working day with Guinea. The table above gives the exact intersection for each.
Where the gap is too wide
There is no 9-to-5 overlap with Los Angeles, Sydney. Calling Guinea from those cities means someone is working outside normal hours — worth saying so when you book the call.
How to call Guinea using the +224 code.
Four simple steps for every call into Guinea — nine digits, no area code.
Number anatomy
Dial exit code
Press + on mobile or 00 from most landlines. This opens an international line.
Enter +224
Guinea's international code. Every call to Guinea must start with +224.
Area prefix
Add the local area or mobile network code — always drop any leading zero used for domestic calls.
Full number
Dial the remaining subscriber digits. Your number is now correctly formatted for international routing.
Best time to call — every country.
Jump to any country's best-time-to-call guide. Search by name, ISO or dial prefix.
Reach Guinean customers in their window, on carrier-grade routes.
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When your working day overlaps Guinea
Callers in New York, London and Mumbai share part of the working day with Guinea. There is no shared working window with Los Angeles and Sydney.
| Calling from | Guinea is | Call at (your time) | Which is (their time) |
|---|---|---|---|
| New York | 5h ahead | 9:00 AM – 12:00 PM | 2:00 PM – 5:00 PM |
| Los Angeles | 8h ahead | No shared working hours — you would need to call outside 9am-5pm | |
| London | same time | 9:00 AM – 5:00 PM | 9:00 AM – 5:00 PM |
| Mumbai | 5h 30m behind | 2:30 PM – 5:00 PM | 9:00 AM – 11:30 AM |
| Sydney | 11h behind | No shared working hours — you would need to call outside 9am-5pm | |
Windows are the intersection of a 9am-5pm working day in each place, using Guinea'sstandard-time offset of UTC. Guinea does not observe daylight saving, so these windows hold all year — though they shift when the caller's own country changes its clocks.
FAQ
Calling Guinea, answered.
Time zone, daylight saving and dialling questions for Guinea (+224).