Free Travel Tool
Time Zone Converter
Convert meeting, flight, and trip planning times between IANA time zones using the same browser time zone data available to your device.
No external API
Convert travel time
Source time 09:00 Asia/Kolkata
Converted time 22:30 America/New_York
How this works
Browser time zone data for travel planning.
This converter uses Intl.DateTimeFormat to resolve offsets from one IANA time zone to another, then displays the source and destination local times for the same instant.
Use it to compare Asia/Kolkata, America/New_York, Europe/London, and other supported zones before scheduling calls, departures, airport transfers, or hotel check-in windows.
Data source
Built into your browser.
Source: browser Intl.DateTimeFormat time zone rules for supported IANA identifiers. Last reviewed: May 12, 2026. No external API is used for these calculations.