Meeting Across Timezones
Find overlapping work hours between two people in different time zones.
About Meeting Across Timezones
Your working hours are shifted to the other person's zone, and the shared portion with their working hours becomes the meeting window. Working out shared availability across zones is the difference between a smooth meeting and scheduling chaos.
Formula
Meeting Across Timezones
Overlap = your work window shifted to their zone, intersected with their work window
- intersection
- The shared portion of the two working windows
Worked example
With the default values below, Meeting Across Timezones returns Overlap Hours of 0m. Change any input above and every figure here is recalculated in your browser.
Inputs used
- Your work startaccepts 0–23
- 9
- Your work endaccepts 0–23
- 17
- Their work startaccepts 0–23
- 8
- Their work endaccepts 0–23
- 16
- Your UTC offsetaccepts -12–14
- -5
- Their UTC offsetaccepts -12–14
- 3
Results
- Overlap Hours
- 0m
- Overlap Starts Hour
- 17
- Availability
- No overlap in work hours
Step by step
- 1Values used
- 2Meeting Across Timezones
- 3Overlap Hours= 0.00
- 4Overlap Starts Hour= 17
- 5Availability= No overlap in work hours
Assumptions and limits
- The result is derived only from the 6 inputs listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
- Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How is Meeting Across Timezones calculated?
Overlap = your work window shifted to their zone, intersected with their work window Your working hours are shifted to the other person's zone, and the shared portion with their working hours becomes the meeting window.
Why does Meeting Across Timezones matter?
Working out shared availability across zones is the difference between a smooth meeting and scheduling chaos.
What values do I need to enter?
This calculator takes 6 inputs: Your work start, Your work end, Their work start, Their work end, Your UTC offset, Their UTC offset. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.