Live Synchronized Time Difference
TokyotoSan FranciscoTime Difference
🇯🇵
Tokyo
Japan (GMT+9)00:10:18UTC+9:00
🇺🇸
San Francisco
United States (PDT)08:10:18UTC-7:00
Direct Distance8,275 km (5,142 miles)
Estimated Flight Time~10.2 hours
Business Overlap0 overlapping hours (9am–5pm)
Feasible Shoulder Hours Window
Recommended calling window between Tokyo and San Francisco
Off-Peak Calling Window
Tokyo Time
7:00 AM – 1:00 PM
San Francisco Time
3:00 PM – 9:00 PM
There are no overlapping 9-to-5 working hours between Tokyo and San Francisco. The optimal compromise window falls during morning/evening shoulder periods (7:00 AM – 9:00 PM) when participants in both locations are awake.
24-Hour Schedule Conversion Matrix
Compare every hour of the day between Tokyo and San Francisco.
Work (9am-5pm)ShoulderSleep / Off
| Tokyo Time (Japan) | San Francisco Time (United States) | Status & Recommendation |
|---|---|---|
| 00:00AM | 08:00AM-1 day | ⚪ Outside Work Hours |
| 01:00AM | 09:00AM-1 day | ⚪ Outside Work Hours |
| 02:00AM | 10:00AM-1 day | ⚪ Outside Work Hours |
| 03:00AM | 11:00AM-1 day | ⚪ Outside Work Hours |
| 04:00AM | 12:00PM-1 day | ⚪ Outside Work Hours |
| 05:00AM | 13:00PM-1 day | ⚪ Outside Work Hours |
| 06:00AM | 14:00PM-1 day | ⚪ Outside Work Hours |
| 07:00AM | 15:00PM-1 day | ⚪ Outside Work Hours |
| 08:00AM | 16:00PM-1 day | ⚪ Outside Work Hours |
| 09:00AM | 17:00PM-1 day | 🟡 Feasible (Shoulder Hour) |
| 10:00AM | 18:00PM-1 day | 🟡 Feasible (Shoulder Hour) |
| 11:00AM | 19:00PM-1 day | 🟡 Feasible (Shoulder Hour) |
| 12:00PM | 20:00PM-1 day | 🟡 Feasible (Shoulder Hour) |
| 13:00PM | 21:00PM-1 day | ⚪ Outside Work Hours |
| 14:00PM | 22:00PM-1 day | ⚪ Outside Work Hours |
| 15:00PM | 23:00PM-1 day | ⚪ Outside Work Hours |
| 16:00PM | 00:00AM | ⚪ Outside Work Hours |
| 17:00PM | 01:00AM | ⚪ Outside Work Hours |
| 18:00PM | 02:00AM | ⚪ Outside Work Hours |
| 19:00PM | 03:00AM | ⚪ Outside Work Hours |
| 20:00PM | 04:00AM | ⚪ Outside Work Hours |
| 21:00PM | 05:00AM | ⚪ Outside Work Hours |
| 22:00PM | 06:00AM | ⚪ Outside Work Hours |
| 23:00PM | 07:00AM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between Tokyo and San Francisco?
San Francisco is 16 hours behind Tokyo.
What is the best time to schedule a cross-border meeting between Tokyo and San Francisco?
Because of the wide timezone separation, a compromise meeting window during early morning in one location and evening in the other is recommended.
Does daylight saving time (DST) affect the time difference between Tokyo and San Francisco?
Yes. If either Japan or United States observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.