There is no time difference between Seattle and San Francisco. Both cities use Pacific Time (PT, UTC-8/-7). When it's 12:00 PM in Seattle, it's also 12:00 PM in San Francisco.
Both cities observe daylight saving time on the same schedule, so they remain synchronized year-round.
Any time works! Since both cities share the same timezone, you can schedule calls during standard business hours (9:00 AM - 5:00 PM) without any time conversion needed.
Seattle and San Francisco are the two major West Coast tech hubs. Amazon, Microsoft, and Google have major offices in both cities. Many tech workers move between them. Direct flights take about 2 hours.