Dates & time
Dates & time
Time zone
Meeting
Time zone overlap calculator
Compare up to four time zones, find overlapping working hours, and pick a practical meeting time.
Updated 3/17/2026
Result
5 suggested 60-minute slots fit everyone.
Change the date, working hours, or duration to find a better overlap.
Mar 20, 2026
60 min
Participants
Compare up to four time zones and set working hours for each person.
UTC
Start
End
Europe/London
Start
End
Date
Meeting length
Recommended meeting times
Top slots ranked by overlap quality and local-hour friendliness.
Best slot
Full overlap
Available for 2 of 2
UTC
Fri, Mar 20, 12:30 PM – 1:30 PM
Europe/London
Fri, Mar 20, 12:30 PM – 1:30 PM
Full overlap
Available for 2 of 2
UTC
Fri, Mar 20, 11:30 AM – 12:30 PM
Europe/London
Fri, Mar 20, 11:30 AM – 12:30 PM
Full overlap
Available for 2 of 2
UTC
Fri, Mar 20, 1:30 PM – 2:30 PM
Europe/London
Fri, Mar 20, 1:30 PM – 2:30 PM
Full overlap
Available for 2 of 2
UTC
Fri, Mar 20, 10:30 AM – 11:30 AM
Europe/London
Fri, Mar 20, 10:30 AM – 11:30 AM
Full overlap
Available for 2 of 2
UTC
Fri, Mar 20, 2:30 PM – 3:30 PM
Europe/London
Fri, Mar 20, 2:30 PM – 3:30 PM
Local hour view
See how the best slot lands in each participant's local workday.
0:00
6:00
12:00
18:00
UTC
Fri, Mar 20, 12:30 PM – 1:30 PM
Same day
Europe/London
Fri, Mar 20, 12:30 PM – 1:30 PM
Same day
What this tool does
How it works
What this tool does
Choose a date, set each participant's time zone and working hours, then DuckTools calculates the overlap and suggests meeting slots.
When to use it
Best for
When to use it
Useful for remote teams, international clients, interviews, and any schedule that spans multiple time zones.
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