Hertford to San Juan time converter:San Juan ↔ Hertford (Reverse this table) Select a time interval:
See time difference between UK & Puerto Rico
The time zone in Hertford is Greenwich Mean Time. Hertford currently does not observe daylight saving time. San Juan is located in Atlantic Standard Time Zone and currently does not observe daylight saving time. There is -4:0 hours time difference between Hertford and San Juan.