Hamburg is 9 hours ahead of San Diego
Best overlap: 8:00 AM to 9:00 AM in San Diego is 5:00 PM to 6:00 PM in Hamburg.
Keep meetings inside 8:00 AM to 9:00 AM in San Diego — that maps to 5:00 PM to 6:00 PM in Hamburg. With about 1 hour of common time, this pairing rewards planning — 8:00 AM in San Diego / 5:00 PM in Hamburg is the slot to defend.