Difference time between San Marino and Guernsey in hours, minutes, and seconds is [ +1 hours ] with gregorian date today is Thursday 21st of May 2026 in Sammarinese local time, Where the time now in San Marino is 03:55 AM and the time now in Guernsey is 02:55 AM in Guernsian local time and the time comparison between Republic of San Marino and Guernsey in greenwich time ( GMT ) where San Marino advanced about greenwich time ( GMT +02:00 ) while Guernsey advanced about greenwich time ( GMT +01:00 ).