Multi Timezone Planner
compare multiple timezones with live clocks, running seconds, and a shared hourly timeline
Timezone Rows
Timezones use IANA names from the tz database (for example: Asia/Kuala_Lumpur, America/New_York).
Reference Instant
Timeline window: 8 hours before to 15 hours after the selected instant.
About this tool
Multi Timezone Planner helps you compare schedules across several cities using live clocks, running seconds, and a shared 24-hour planning strip. Select the correct IANA timezone identifier (for example, `America/New_York`), not a city name, because city names may not be in the supported list.
Inputs, results and saved preferences stay in this browser.
When to use it
- Coordinate meetings across distributed teams without switching tabs.
- Pick overlap windows between North America, Europe, and Asia quickly.
- Validate launch and handoff times with timezone-aware hour mapping.