Tokyo to San Francisco time converter

San Francisco is currently 16 hours behind of Tokyo. Tokyo is on UTC+9 and San Francisco is on UTC-7.

Tokyo  
San Francisco  

Open this pair on the board →

The difference changes during the year

Because Tokyo and San Francisco do not start and end daylight saving time together, the gap between them is not constant. Over the next twelve months it takes 2 different values.

Hour by hour while San Francisco is 17 hours behind of Tokyo. Shaded rows are inside both working days.
TokyoSan Francisco
12:00 AM7:00 AM (previous day)
1:00 AM8:00 AM (previous day)
2:00 AM9:00 AM (previous day)
3:00 AM10:00 AM (previous day)
4:00 AM11:00 AM (previous day)
5:00 AM12:00 PM (previous day)
6:00 AM1:00 PM (previous day)
7:00 AM2:00 PM (previous day)
8:00 AM3:00 PM (previous day)
9:00 AM4:00 PM (previous day)
10:00 AM5:00 PM (previous day)
11:00 AM6:00 PM (previous day)
12:00 PM7:00 PM (previous day)
1:00 PM8:00 PM (previous day)
2:00 PM9:00 PM (previous day)
3:00 PM10:00 PM (previous day)
4:00 PM11:00 PM (previous day)
5:00 PM12:00 AM
6:00 PM1:00 AM
7:00 PM2:00 AM
8:00 PM3:00 AM
9:00 PM4:00 AM
10:00 PM5:00 AM
11:00 PM6:00 AM
Hour by hour while San Francisco is 16 hours behind of Tokyo. Shaded rows are inside both working days.
TokyoSan Francisco
12:00 AM8:00 AM (previous day)
1:00 AM9:00 AM (previous day)
2:00 AM10:00 AM (previous day)
3:00 AM11:00 AM (previous day)
4:00 AM12:00 PM (previous day)
5:00 AM1:00 PM (previous day)
6:00 AM2:00 PM (previous day)
7:00 AM3:00 PM (previous day)
8:00 AM4:00 PM (previous day)
9:00 AM5:00 PM (previous day)
10:00 AM6:00 PM (previous day)
11:00 AM7:00 PM (previous day)
12:00 PM8:00 PM (previous day)
1:00 PM9:00 PM (previous day)
2:00 PM10:00 PM (previous day)
3:00 PM11:00 PM (previous day)
4:00 PM12:00 AM
5:00 PM1:00 AM
6:00 PM2:00 AM
7:00 PM3:00 AM
8:00 PM4:00 AM
9:00 PM5:00 AM
10:00 PM6:00 AM
11:00 PM7:00 AM

Best time for a call

Taking a working day of 9:00 AM to 6:00 PM on both sides, the overlap in Tokyo local time is 9:00 AM to 10:00 AM, which is 5:00 PM onward in San Francisco.

Questions

How many hours ahead is San Francisco of Tokyo?

San Francisco is 16 hours behind of Tokyo right now. That gap is not constant through the year, because the two places change their clocks on different dates.

What time is 9:00 AM in Tokyo in San Francisco?

9:00 AM in Tokyo is 5:00 PM the previous day in San Francisco.

What is the best time for a meeting between Tokyo and San Francisco?

Assuming a 9:00 AM to 6:00 PM working day on both sides, the overlap in Tokyo local time is 9:00 AM to 10:00 AM.

Local time in each city

For the current time on its own, with the daylight saving dates that apply and the working week in that country, see time in Tokyo or time in San Francisco.

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