Difference time between San Marino and United States of America in hours, minutes, and seconds is [ +5 hours ] with gregorian date today is Saturday 21st of March 2026 in Sammarinese local time, Where the time now in San Marino is 02:45 AM and the time now in United States of America is 21:45 PM in American local time and the time comparison between Republic of San Marino and United States of America in greenwich time ( GMT ) where San Marino advanced about greenwich time ( GMT +02:00 ) while United States of America late for greenwich time ( GMT -04:00 ).