San Diego is 9 hours behind Rome
Best overlap: 5:00 PM to 6:00 PM in Rome is 8:00 AM to 9:00 AM in San Diego.
The hours that work for both Rome and San Diego are 5:00 PM to 6:00 PM (Rome) and 8:00 AM to 9:00 AM (San Diego). San Diego is 9 hours behind Rome, leaving a tight 1-hour window. Book 5:00 PM in Rome (8:00 AM in San Diego) early and you'll dodge the daily scramble.