Free scheduling tool
Time Zone Overlap Finder
Compare working hours across 2-4 time zones, spot the realistic meeting windows, then create a poll so everyone can vote without logging in.
Meeting constraints
Time zones (3/4)
New York (ET)London (UK)Tokyo (JST)
Best meeting windows
Shown in UTC with local start times for each zone.
No shared working-hours overlap found. Try widening the working hours or removing a far-away time zone.
24-hour overlap chart (UTC)
12am
6am
12pm
6pm
New York (ET)
London (UK)
Tokyo (JST)
Shared overlap Working hours Outside hours
Ready to schedule across time zones?
Use the overlap as a shortlist, then let participants vote on the exact times. WhenWorks is free to start and voters do not need an account.
Create a free poll →