Difference time between Vietnam and Hong Kong in hours, minutes, and seconds is [ -1 hours ] with gregorian date today is Thursday 2nd of October 2025 in Vietnamese local time, Where the time now in Vietnam is 20:00 PM and the time now in Hong Kong is 21:00 PM in Hongkongese local time and the time comparison between Socialist Republic of Vietnam and Hong Kong in greenwich time ( GMT ) where Vietnam advanced about greenwich time ( GMT +07:00 ) while Hong Kong advanced about greenwich time ( GMT +08:00 ).