San Diego is 9 hours behind Stockholm
Best overlap: 5:00 PM to 6:00 PM in Stockholm is 8:00 AM to 9:00 AM in San Diego.
If you set up a recurring sync, 5:00 PM to 6:00 PM in Stockholm (8:00 AM to 9:00 AM in San Diego) is the natural home for it. There's just 1 hour of overlap here, so don't leave meetings to chance — lock 5:00 PM in Stockholm / 8:00 AM in San Diego into the calendar.