TIME ZONE CONVERTER

Tokyo to San Francisco
Time Converter

Convert Tokyo, Japan to San Francisco, United States. Compare dates, seasonal differences and meeting hours.

THE QUICK ANSWER

Tokyo is 16h or 17h ahead of San Francisco in 2026, depending on the date.

9 AM Tokyo = 4 PM San Francisco Tue, 10 Nov at the destination

Selected date: November 11, 2026.

TIME & DATE
JPFROMUTC+09:00

Japan · JST

Wed, 11 Nov
USTOUTC−08:00

United States · PST

4:00PM
Tue, 10 Nov-1 day
San Francisco is 17h behind Tokyo.-1 day
Find your moment
Working hoursOutside hours
TokyoYour reference
San FranciscoConverted time
Tap an hour to explore · November 11, 2026Dates follow Tokyo
Add to calendar
THE TIME DIFFERENCE17hbehind

San Francisco compared with Tokyo.

SHARED WORKING HOURS1h2026-11-11

Shared time within the selected local working windows.

THROUGH THE SEASONS2different offsets

Clock changes affect your time difference.

WORKING HOURS & MEETINGS

Best meeting times: Tokyo and San Francisco

1h of shared working time on 2026-11-11

Set each person’s local working hours.

Tokyo
to
San Francisco
to

Local working days, overnight shifts and the entire meeting duration are checked.

A few times that work60 MIN

Every minute of the meeting fits both working windows.

For a 60-minute meeting, the last start in this window is 9:00 AM Tokyo.
THE QUICK REFERENCE

Tokyo to San Francisco conversion table

November 11, 2026 · Date changes are marked.

CSV
View the full 24-hour table
TokyoSan Francisco
12:00 AM7:00 AM -1 day
1:00 AM8:00 AM -1 day
2:00 AM9:00 AM -1 day
3:00 AM10:00 AM -1 day
4:00 AM11:00 AM -1 day
5:00 AM12:00 PM -1 day
6:00 AM1:00 PM -1 day
7:00 AM2:00 PM -1 day
8:00 AM3:00 PM -1 day
9:00 AM4:00 PM -1 day
10:00 AM5:00 PM -1 day
11:00 AM6:00 PM -1 day
TokyoSan Francisco
12:00 PM7:00 PM -1 day
1:00 PM8:00 PM -1 day
2:00 PM9:00 PM -1 day
3:00 PM10:00 PM -1 day
4:00 PM11:00 PM -1 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

Starting with the San Francisco working day

These examples start on 2026-11-11 in San Francisco.

09:00 San Francisco02:00 →Tokyo · 2026-11-12
17:00 San Francisco10:00 →Tokyo · 2026-11-12
SAME TIME NEXT WEEK?

Check recurring meeting times

Check the next 12 weeks for clock changes and working-hours conflicts.

Check my schedule
ONE CLOCK TIME. THE WHOLE YEAR.

09:00 Tokyo to San Francisco throughout 2026

Keeping 09:00 on the Tokyo clock produces 2 different destination clock/date answers in 2026. The ranges below use Tokyo calendar dates, including transition days.

Year CSV
San Francisco17:00Previous day238 of 365 source dates
San Francisco16:00Previous day127 of 365 source dates
Dates in Tokyo · 2026San Francisco answerSource → destination offsetsExplore
Jan 1 – Mar 867 dates16:00Previous dayUTC+09:00 → UTC−08:00
Mar 9 – Nov 1238 dates17:00Previous dayUTC+09:00 → UTC−07:00
Nov 2 – Dec 3160 dates16:00Previous dayUTC+09:00 → UTC−08:00

Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.

DON’T LOSE A DAY

When does Tokyo time become a different date in San Francisco?

Your complete source day: 2026-11-11. Each range shows which destination date to use.

Tokyo · 2026-11-1100:00–17:00UTC+09:00
San Francisco · 2026-11-1007:00–24:00UTC−08:00 Previous day
Tokyo · 2026-11-1117:00–24:00UTC+09:00
San Francisco · 2026-11-1100:00–07:00UTC−08:00 Same date

Range starts are included; ends are excluded. 24:00 means midnight at the end of that date. Repeated hours appear separately with their UTC offsets. The strip is proportional to elapsed time.

THE BIGGER PICTURE

A year of time differences.

How San Francisco compares with Tokyo throughout 2026.

2026
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
−17h
−16h
−17h

San Francisco changes its UTC offset in 2026. Tokyo keeps one UTC offset this year.

See exact change periods
From (UTC, inclusive)Until (UTC, exclusive)San Francisco vs Tokyo
1 Jan 2026, 00:00 UTC8 Mar 2026, 10:00 UTC17h behind
8 Mar 2026, 10:00 UTC1 Nov 2026, 09:00 UTC16h behind
1 Nov 2026, 09:00 UTC1 Jan 2027, 00:00 UTC17h behind
CLOCK CHANGES

What changes at the next clock adjustment?

March 14, 2027Local transition date
  • San Francisco clocks go forward by 1h on March 14, 2027.

After this change, Tokyo is 16h ahead of San Francisco.

Exact clock readings and UTC transition

2027-03-14T10:00:00.000Z.

San Francisco: 2027-03-14 01:59 UTC−08:00 → 2027-03-14 03:00 UTC−07:00.

Readings are one real minute apart. Future rules may change.

Exact periods outside the most common difference in 2026

The most frequent difference has San Francisco 16h behind relative to Tokyo. Exceptions:

From (UTC, inclusive)Until (UTC, exclusive)Compared with Tokyo
1 Jan 2026, 00:00 UTC8 Mar 2026, 10:00 UTC17h behind
1 Nov 2026, 09:00 UTC1 Jan 2027, 00:00 UTC17h behind
PLAN BEYOND A SINGLE DAY

Tokyo–San Francisco working hours through 2026

Every date calculated with your working windows. 261 selected Tokyo workdays; public holidays are not applied.

Daily CSV
Least shared time0h
Most common0h
Most shared time1h
Days without a 60-min slot188 / 261

One fixed start time does not fit every working day.

188 selected host workdays cannot fit the complete meeting. Adjust working days, hours or duration above, or use different seasonal meeting times.

Explore seasonal meeting times and your weekly schedule

Tokyo: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. San Francisco: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.

Calculation details and repeated hours

Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.

TWO PLACES. ONE CONNECTION.

Across the map. Across the clock.

≈ 8,271 km apart
180°W0°180°E

City-center coordinates. Distance is an approximate great-circle distance, not a flight route.

Tokyo

Japan

Time zone
Asia/Tokyo
Coordinates
35.69°N, 139.69°E

San Francisco

United States

Time zone
America/Los_Angeles
Coordinates
37.77°N, 122.42°W

Coordinates adapted from GeoNames · CC BY 4.0

THE DETAILS THAT MATTER

Tokyo to San Francisco: useful answers

Why is the Tokyo to San Francisco difference sometimes 16 hours and sometimes 17 hours?

Tokyo is 16h or 17h ahead of San Francisco in 2026, depending on the date. San Francisco changes its UTC offset in 2026. Tokyo keeps one UTC offset this year.

Does the Tokyo–San Francisco time difference change in 2026?

The published rules produce 3 periods with 2 different offsets in 2026. See the annual chart for the exact boundaries of each period.

Does this conversion change the calendar date?

09:00 in Tokyo on 2026-11-11 is 16:00 in San Francisco on 2026-11-10. Use the destination date when adding the meeting to a calendar.

Can Tokyo and San Francisco meet during working hours?

Your selected working windows share 1h on 2026-11-11. The planner above checks the whole meeting duration and shows suitable start times. Edit the windows to match your team.

Related time-zone meanings and conversions

Choose the question you need answered

Calculated with IANA 2026e. Working hours are your preferences; public holidays and calendar availability are not included. Our methodology

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