San Francisco
USA10:01 AM
Thursday, December 11, 2025
PST (UTC-08:00)
View San Francisco timezone details →San Francisco is 17 hours behind Tokyo
San Francisco is 17 hours behind Tokyo
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 Tokyo 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.
Tokyo
Standard time
San Francisco
Standard time