Difference time between Guinea Bissau and Switzerland in hours, minutes, and seconds is [ -1 hours ] with gregorian date today is Friday 5th of December 2025 in Guinea Bissauan local time, Where the time now in Guinea Bissau is 16:47 PM and the time now in Switzerland is 17:47 PM in Swiss local time and the time comparison between Republic of Guinea-Bissau and Switzerland in greenwich time ( GMT ) where Guinea Bissau advanced about greenwich time ( GMT +00:00 ) while Switzerland advanced about greenwich time ( GMT +02:00 ).