San Francisco to Tokyo Time Difference
Clocks in San Francisco are 16 hours behind
Quick time conversions: San Francisco → Tokyo
Common reference points to help you plan across the time difference.
9:00 AM in San Francisco corresponds exactly to 1:00 AM in Tokyo.(+1 day)
San Francisco 10:00 AM — what's that in Tokyo?—2:00 AM(+1 day)
6:00 AMin San Francisco→10:00 PMin Tokyo
For every 1:00 PM in San Francisco, it's simultaneously 5:00 AM in Tokyo.(+1 day)
5:00 PMin San Francisco→9:00 AMin Tokyo(+1 day)
What's the Tokyo equivalent of 2:00 PM San Francisco?—6:00 AM(+1 day)
Frequently Asked Questions
What is the San Francisco to Tokyo time difference?
Currently San Francisco (America/Los_Angeles) and Tokyo (Asia/Tokyo) differ by 16 hours.
Is there any working hours overlap between San Francisco and Tokyo?
The 16 hours gap means when San Francisco is in core hours, Tokyo is not, and vice versa. Most teams use async or rotating off-hour calls.
Does daylight saving time affect the San Francisco–Tokyo difference?
Neither San Francisco nor Tokyo has a DST transition this week. The 16 hours gap remains consistent.
If it's noon in San Francisco, what time is it in Tokyo?
12:00 PM in San Francisco is 4:00 AM in Tokyo at the same moment.
How do I convert San Francisco time to Tokyo time?
Use the interactive slider above. Drag it to any San Francisco hour and all locations update instantly. Or type "3pm" / "15:00" in the search bar.
What public holidays should I keep in mind when scheduling between San Francisco and Tokyo?
San Francisco observes Independence Day on July 3. Keep this in mind when coordinating between San Francisco and Tokyo.
What time zones do San Francisco and Tokyo use?
America/Los_Angeles covers San Francisco; Asia/Tokyo covers Tokyo. This gives a 16 hours difference.
9 AM San Francisco time converts to what in Tokyo?
9 AM in San Francisco → 1:00 AM in Tokyo. That falls outside standard hours in Tokyo — confirm with your contact.
How are the UTC offsets of San Francisco and Tokyo calculated?
San Francisco and Tokyo sit in America/Los_Angeles and Asia/Tokyo respectively. The arithmetic difference between their UTC offsets equals 16 hours.
San Francisco ↔ Tokyo
No overlap — one side will join outside working hours· Showing core hours (08:00–18:00)
San Francisco
Tokyo
Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.