Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

World Meeting Scheduler

Find the largest working-hours window two cities share by subtracting the time-zone offset from each side of their overlapping business day. Use it when booking a recurring call between offices in different countries.

First Time Zone

Second Time Zone

Earliest Working Hour (:00)

Latest Working Hour (:00)

Meeting Duration (hours)

Fill in the required fields to see your result.

Time Zones

International Meeting Time Planner

Score any proposed meeting time based on how well it falls within business hours for your organiser and two participants across different time zones. Use it to find a window that works for everyone without spreadsheet guesswork.

Proposed Meeting Time (h)

Organiser Time Zone

Participant 1 Time Zone

Participant 2 Time Zone

Business Hours Priority

Fill in the required fields to see your result.

Key differences

	World Meeting Scheduler	International Meeting Time Planner
Category	Time Zones	Time Zones
Inputs required	5	5
Result	Optimal Meeting Hours Available (hours)	Meeting Suitability Score (%)
What it does	Find the largest working-hours window two cities share by subtracting the time-zone offset from each side of their overlapping business day. Use it when booking a recurring call between offices in different countries.	Score any proposed meeting time based on how well it falls within business hours for your organiser and two participants across different time zones. Use it to find a window that works for everyone without spreadsheet guesswork.