Tools
working hours overlap calculator
Find the shared work hours across time zones
Set each person's timezone and workday. The calculator shows the windows where everyone is actually inside work hours.
Free, instant, no signup.
Use it for
- Find the least-bad weekly meeting time for a distributed team.
- Check support handoff windows before promising coverage.
- Avoid scheduling recurring calls outside someone's normal day.
Copy-ready result
Shared working windows
No shared work window on this date.
Searches this tool matches
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Quick answers
What counts as working hours overlap?
It is the time window where every selected participant is inside their configured workday after timezone conversion.
Does the calculator handle daylight saving time?
Yes. The overlap is calculated for the selected date, so daylight saving changes are reflected for IANA timezones.
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