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Tokyo to San Francisco Time Difference

San Francisco is 17 hours behind Tokyo. Calculate synchronous working hours and optimal conference call windows between Tokyo and San Francisco.

Offset Summary

San Francisco is 17 hours behind Tokyo

Tokyo: JST (UTC+9) • San Francisco: PST/PDT (UTC-8)

TokyoJST
10:00 AM

Standard office hours: 9:00 - 18:00

San FranciscoPST/PDT
5:00 PM

Standard office hours: 9:00 - 17:00

12 AM6 AM12 PM6 PM11 PM
Offset: -17 hours difference Swap (San Francisco to Tokyo)

This timezone schedule comparison runs locally in your browser. No schedule data or meeting times leave your device.

Best meeting times between Tokyo and San Francisco

When coordinating remote teams or scheduling client meetings across Tokyo (Japan) and San Francisco (United States), overlapping business hours depend on the 17-hour offset.

• Tokyo working window: 9:00 - 18:00 (JST)

• San Francisco working window: 9:00 - 17:00 (PST/PDT)

• Common business overlap: 2 hours available daily

Tips for multi-timezone collaboration

  • Asynchronous Updates: Rely on recorded walkthroughs and documented PRs for handoffs when offset exceeds 6 hours.
  • Shared Calendars: Configure secondary timezone displays in Google Calendar or Outlook to prevent accidental off-hours invitations.
  • Rotated Call Times: For regular cross-regional standups, alternate weekly meeting times so no single hub constantly sacrifices personal evenings.

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