Yes, San Diego and Los Angeles are in the same timezone. Both cities use Pacific Time (PST/PDT), so when it's 9:00 AM in LA, it's also 9:00 AM in San Diego. They observe DST on the same schedule.
Just 120 miles apart on the Southern California coast, these cities share the same timezone and close business ties.
Any time works! Since both cities share the same timezone, business hours align perfectly. No time conversion needed.
San Diego and Los Angeles are connected by Amtrak Pacific Surfliner trains running along the scenic coast, plus heavy freeway traffic on I-5.