San Francisco
USA10:01 AM
Thursday, December 11, 2025
PST (UTC-08:00)
View San Francisco timezone details →Tokyo is 17 hours ahead of San Francisco
Tokyo is 17 hours ahead of San Francisco
No overlapping business hours (9 AM – 6 PM)
With a 17-hour time difference, standard business hours don't overlap. Consider early morning calls from San Francisco or late evening calls, or use asynchronous communication methods like email or recorded video messages.
The time difference varies seasonally due to Daylight Saving Time. In winter it's +17 hours, and in summer it's +16 hours.
San Francisco
Standard time
Tokyo
Standard time