No DST
1970 - 2030
Daylight Saving Time (DST) Not Observed in Year 2010
Guinea-Bissau observed Greenwich Mean Time (GMT) all year.
Daylight Saving Time has never been used here.
Clocks do not change in Guinea-Bissau.
There is no previous DST change in Guinea-Bissau.
Daylight Saving Time History in Guinea-Bissau
- Guinea-Bissau has never observed Daylight Saving Time.
- See Worldwide DST Statistics