A LITTLE LESS BACK-AND-FORTH

Find a time.
Make it work for both.

Find shared working hours, a start time that survives the seasons, and the weeks your meeting needs attention.

A MEETING THAT FITS

16:00 San Francisco · 09:00 Tokyo

November 3, 2026 in San Francisco; 2026-11-04 in Tokyo. The complete 60-minute meeting fits both working windows. The annual analysis below shows where the schedule needs adjustment.

TIME & DATE
USFROMUTC−08:00

United States · PST

Tue, 3 Nov
JPTOUTC+09:00

Japan · JST

2:00AM
Wed, 4 Nov+1 day
Tokyo is 17h ahead of San Francisco.+1 day
Find your moment
Working hoursOutside hours
San FranciscoYour reference
TokyoConverted time
Tap an hour to explore · November 3, 2026Dates follow San Francisco
Add to calendar
THE TIME DIFFERENCE17hahead

Tokyo compared with San Francisco.

SHARED WORKING HOURS1h2026-11-03

Shared time within the selected local working windows.

THROUGH THE SEASONS2different offsets

Clock changes affect your time difference.

WORKING HOURS & MEETINGS

Best meeting times: San Francisco and Tokyo

1h of shared working time on 2026-11-03

Set each person’s local working hours.

San Francisco
to
Tokyo
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 4:00 PM San Francisco.
PLAN BEYOND A SINGLE DAY

San Francisco–Tokyo working hours through 2026

Every date calculated with your working windows. 261 selected San Francisco 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.

How shared working time changes by month

Bars show the mean shared hours per selected host workday. The range captures all those days, including clock-change dates. A full bar represents 8h.

Jan
46m0h–1h range5 days without a full slot
Feb
48m0h–1h range4 days without a full slot
Mar
11m0h–1h range18 days without a full slot
Apr
0h0h on every selected day22 days without a full slot
May
0h0h on every selected day21 days without a full slot
Jun
0h0h on every selected day22 days without a full slot
Jul
0h0h on every selected day23 days without a full slot
Aug
0h0h on every selected day21 days without a full slot
Sep
0h0h on every selected day22 days without a full slot
Oct
0h0h on every selected day22 days without a full slot
Nov
49m0h–1h range4 days without a full slot
Dec
50m0h–1h range4 days without a full slot
Explore every date in 2026

Select a date to check its schedule. Color shows shared hours; grey marks dates outside the selected host working weekdays. Each date also reports how many starts fit the complete meeting.

No shared timeUp to 1 hour1–2 hours2–3 hoursMore than 3 hoursHost day off

Jan 2026

Feb 2026

Mar 2026

Apr 2026

May 2026

Jun 2026

Jul 2026

Aug 2026

Sep 2026

Oct 2026

Nov 2026

Dec 2026

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

A SCHEDULE WITH FORESIGHT

Your next 12 weekly meetings

Anchored to San Francisco at 09:00. 12 meetings need attention.

0 meetings at a different local time
A small change can make a difference.

Move to 16:00 in San Francisco: 0 conflicting occurrences instead of 12, across these 12 weeks.

Compared half-hour starts, prioritizing fewer conflicting meetings.
Date in San FranciscoSan FranciscoTokyoWorking-hours check
2026-11-039:00 AM UTC−08:002:00 AM +1 day60 person-min outside hours
2026-11-109:00 AM UTC−08:002:00 AM +1 day60 person-min outside hours
2026-11-179:00 AM UTC−08:002:00 AM +1 day60 person-min outside hours
2026-11-249:00 AM UTC−08:002:00 AM +1 day60 person-min outside hours
2026-12-019:00 AM UTC−08:002:00 AM +1 day60 person-min outside hours
2026-12-089:00 AM UTC−08:002:00 AM +1 day60 person-min outside hours
2026-12-159:00 AM UTC−08:002:00 AM +1 day60 person-min outside hours
2026-12-229:00 AM UTC−08:002:00 AM +1 day60 person-min outside hours
2026-12-299:00 AM UTC−08:002:00 AM +1 day60 person-min outside hours
2027-01-059:00 AM UTC−08:002:00 AM +1 day60 person-min outside hours
2027-01-129:00 AM UTC−08:002:00 AM +1 day60 person-min outside hours
2027-01-199:00 AM UTC−08:002:00 AM +1 day60 person-min outside hours

This checks weekly occurrences against the published time-zone rules and your working windows. It does not access calendars or account for leave and holidays. Calendar export creates a single meeting.

THE BIGGER PICTURE

A year of time differences.

How Tokyo compares with San Francisco 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)Tokyo vs San Francisco
1 Jan 2026, 00:00 UTC8 Mar 2026, 10:00 UTC17h ahead
8 Mar 2026, 10:00 UTC1 Nov 2026, 09:00 UTC16h ahead
1 Nov 2026, 09:00 UTC1 Jan 2027, 00:00 UTC17h ahead
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, San Francisco is 16h behind Tokyo.

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 Tokyo 16h ahead relative to San Francisco. Exceptions:

From (UTC, inclusive)Until (UTC, exclusive)Compared with San Francisco
1 Jan 2026, 00:00 UTC8 Mar 2026, 10:00 UTC17h ahead
1 Nov 2026, 09:00 UTC1 Jan 2027, 00:00 UTC17h ahead

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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