Greenwich Mean Time (Bissau)
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Time in Guinea-Bissau right now
Guinea-Bissau uses Greenwich Mean Time (Bissau), UTC+0, with no clock changes recorded for 2026 under current time zone rules.
Live clock for Guinea-Bissau
Local times come from your browser's IANA time zone data.
Guinea-Bissau time zone at a glance
| Zone | January | July | Clock changes in 2026 |
|---|---|---|---|
| Greenwich Mean Time (Bissau) | UTC+0 | UTC+0 | No |
Offsets are sampled on January 15 and July 15, 2026. Matching values do not rule out changes on other dates; see the transition table below.
City clocks in Guinea-Bissau:
When the clocks change in Guinea-Bissau
No clock changes are recorded for Guinea-Bissau in 2026 or 2027 under the time zone rules used for this build. The listed zones keep their UTC offsets during these years. Governments can revise these rules; future dates are projections.
Sunrise and sunset in Guinea-Bissau through the year
Typical times at each zone's reference point, in that zone's local clock. Year-to-year drift is under a couple of minutes; dates near a daylight saving change can shift the clock reading by an hour.
| Time of year | Sunrise | Sunset | Day length |
|---|---|---|---|
| March equinox (about Mar 20) | 07:06 | 19:13 | 12 h 07 m |
| June solstice (about Jun 21) | 06:39 | 19:28 | 12 h 49 m |
| September equinox (about Sep 22) | 06:51 | 18:58 | 12 h 07 m |
| December solstice (about Dec 21) | 07:17 | 18:43 | 11 h 26 m |
Countries on the same clock as Guinea-Bissau
Same time as Guinea-Bissau on January 15 and July 15, 2026. Transition weeks can differ, so compare the actual date when planning:
- Burkina Faso
- Gambia
- Ghana
- Guinea
- Iceland
- Ivory Coast
- Liberia
- Mali
- Mauritania
- Sao Tome and Principe
- Senegal
- Sierra Leone
- Togo
Same offset on one of those two sample dates, but different on the other:
Common questions about time in Guinea-Bissau
How many time zones does Guinea-Bissau use?
Guinea-Bissau uses a single civil time zone, Greenwich Mean Time (Bissau).
Does Guinea-Bissau change its clocks in 2026?
No clock changes are recorded in Guinea-Bissau for 2026 under current rules.
What is the time difference between Guinea-Bissau and UTC?
In January: UTC+0. In July: UTC+0. The live cards above show the difference from your own clock right now.
Zone list verified 2026-07. Live times and sun calculations run in your browser from its built-in IANA time zone data and standard NOAA solar equations.