No DST
1970 - 2030
| No further time changes in 2026 in Oio Region |
Daylight Saving Time (DST) Not Observed in Year 2026
Guinea-Bissau currently observes Greenwich Mean Time (GMT) all year.
Daylight Saving Time has not been used since our records start, in 1970.
DST data from before 1970 is not available for Oio Region, Guinea-Bissau. However, we have earlier DST history for Bissau, Guinea-Bissau available.