Historically distinct IANA time zone
Africa/Bissau
Local time now
GMT · current offset
- Countries
- Guinea-Bissau
- GPS reference
- 11.85° N, 15.58° W
- Data source
- IANA africa
- Aliases
- None
Guinea-BissauGeographic context
Where this clock belongs
The map marks the IANA reference location and associated country, not a time-zone boundary.
GPS reference: 11.85° N, 15.58° W. Associated countries: GW.
The Wikipedia link provides additional context; it is not evidence for a historical claim. Transition data comes from the IANA source file.
A shared present
Same clock today, different past
These nearby zones follow the same current annual pattern, yet retain their own historical record.
The Gambia · 214 km from the reference location · Same annual clock since 1976
Guinea · 330 km from the reference location · Same annual clock since 1976
Senegal · 372 km from the reference location · Same annual clock since 1976Civil-time record
Recorded changes over time
From 1912 to 1975 · 2 recorded transitions
Recurring daylight-saving changes are grouped separately when JavaScript is available.
Notable changes
One-off changes and transitions outside the recurring seasonal rhythm.
- -01:00 · -01Standard time applies
- +00:00 · GMTStandard time applies
Browse every recorded transition
| Local time after transition | Offset after | Abbreviation | Rule |
|---|---|---|---|
| 1912-01-01 00:00 | -01:00 | -01 | Standard time |
| 1975-01-01 01:00 | +00:00 | GMT | Standard time |