TeamHouurs.app
The work-from-anywhere overlap grid

Best meeting times: TokyoSan Francisco

Tokyo is 17 hours ahead of San Francisco. Use the grid to find overlapping working hours and pick a time that respects both teams.

Tokyo: Asia/Tokyo San Francisco: America/Los_Angeles (DST)Updated hourly
Reverse
Current time in Tokyo
17:42
Shoulder hours
Current time in San Francisco
00:42
Outside work
Time difference
Tokyo is 17 hours ahead of San Francisco.

Tip: if one office starts late, try the other office’s early morning shoulder hours.

Quick recommendation
09:00 (Tokyo) 16:00 (-1d) (San Francisco)

Based on 60-minute meetings and 09:00–17:00 work hours.

Overlap grid

Base time zone: Tokyo (UTC+09:00) · Now: 17:42

Selected: 12:00 in TokyoTokyo: 12:00 · San Francisco: 19:00 (-1d)

Work (09:00–17:00) Shoulder (07:00–09:00, 17:00–21:00) Sleep (21:00–07:00)
Tokyo time
Tokyo
UTC+09:00 · now 17:42
San Francisco
UTC-08:00 · now 00:42

Recommended meeting times

Typical 9–5 overlap (in Tokyo time): 09:00–10:00.

Overlap segments in Tokyo time: 09:0010:00

Start (Tokyo)Tokyo statusStart (San Francisco)San Francisco statusWhy this works
09:00Work16:00 (-1d)WorkBoth teams are fully within working hours.
08:30Work15:30 (-1d)WorkStrong overlap (work/shoulder).
13:00Work20:00 (-1d)ShoulderStrong overlap (work/shoulder).

Assumes a standard workday of 09:00–17:00 in each city. You can customize this logic later (e.g., flexible hours, team preferences, meeting length).

How to schedule a meeting between Tokyo and San Francisco

When coordinating across borders, finding the golden hour is essential for productivity. Tokyo is 17 hours ahead of San Francisco. Typical 9–5 overlap (in Tokyo time): 09:00–10:00.

A safe default is 09:00 in Tokyo, which corresponds to 16:00 (-1d) in San Francisco.

Typical work overlap

  • 09:00 in Tokyo 16:00 (-1d) in San Francisco
  • 08:30 in Tokyo 15:30 (-1d) in San Francisco
  • 13:00 in Tokyo 20:00 (-1d) in San Francisco

These options assume 09:00–17:00 local working hours for both teams.

Key considerations

  • DST: Tokyo does not observe daylight saving time; San Francisco does.
  • Shoulder hours: early mornings (07:00–09:00) and late afternoons (17:00–21:00) can unlock extra overlap.
  • Avoid burnout: repeated late-night meetings hurt teams. Use async updates when overlap is minimal.

Frequently asked questions

What is the time difference?
Tokyo is 17 hours ahead of San Francisco.
Is now a good time to call?
Look at the grid above and choose a green-green overlap when possible. If you see green-yellow, it’s still workable. If one side is grey, consider async.
Do daylight saving changes affect this page?
Yes. We use official IANA time zones, so offsets update automatically when DST starts or ends.

Popular comparisons

Disclaimer: TeamHouurs assumes a default 09:00–17:00 workday for each city and does not account for individual company policies, local holidays, or personal schedules.