Difference time between Hong Kong and Guinea Bissau in hours, minutes, and seconds is [ +8 hours ] with gregorian date today is Monday 19th of January 2026 in Hongkongese local time, Where the time now in Hong Kong is 05:55 AM and the time now in Guinea Bissau is 21:55 PM in Guinea Bissauan local time and the time comparison between Hong Kong Special Administrative Region of China and Guinea Bissau in greenwich time ( GMT ) where Hong Kong advanced about greenwich time ( GMT +08:00 ) while Guinea Bissau he has the same greenwich time ( GMT +00:00 ).