Timezone Planner
Find ideal meeting times and plan global appointments by overlapping multiple timezones.
Quick add:
Working Hours (9-18)Personal HoursSleeping Hours
UTC Baseline12:00 UTC
Popular uses
How does this tool work?
Compare timezones visually and find matching overlaps for meetings.
Add multiple timezones to your list. A synchronized 24-hour bar color-codes working hours (Green), personal hours (Orange), and sleeping hours (Black). Use the time slider to shift hours and identify the ideal meeting window.
Where are my data processed?
Only in your browser. Your data is not sent to any server.
The tool calculates and converts with JavaScript right on your device. Input and files are not sent to us or anyone else. You can check this yourself: load the page, disconnect from the internet, and the tool keeps working in the open tab.
No Server UploadNo sign-upRuns Offline in Tab