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Time Zone Overlap Planner

Compare time zones and visualize shared working hours.

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Shared working window
Working hours Overlap

No common working hour across the selected zones. Try widening the working window or removing the most extreme time zone.

Zone000102030405060708091011121314151617181920212223
UTC hour →
San Francisco
America/Los_Angeles
171819202122230001020304050607080910111213141516
New York
America/New_York
202122230001020304050607080910111213141516171819
London
Europe/London
010203040506070809101112131415161718192021222300
Berlin
Europe/Berlin
020304050607080910111213141516171819202122230001

Numbers are local hours in each zone for today's UTC reference day. Adjust working hours above to expand or shrink the overlap band.

About this tool

Scheduling a global campaign launch or cross-team meeting? Add every time zone you care about and see a clear 24-hour grid with the overlap highlighted, so you know exactly when everyone's awake.

How to use it

  1. 1Add each city or time zone you need to coordinate.
  2. 2Set your working-hours window.
  3. 3Read the highlighted overlap band.