Free Timezone Converter - World Time Between Cities
Convert a date and time from one timezone to another using the complete IANA timezone database built into your browser. Select your source and target timezones from hundreds of regions, pick a date and time, and see the converted result with the time difference displayed clearly.
How to Use
- Pick a date and time using the datetime picker
- Select the source timezone from the dropdown
- Select the target timezone from the dropdown
- Click Convert to see the result
Features
- Complete IANA timezone database - hundreds of regions
- Detects your local timezone automatically
- Shows time difference between zones
- All processing happens locally - no server requests
Common Use Cases
- Schedule international meetings across timezones
- Convert publication or event times for global audiences
- Plan travel itineraries and flight connections
- Coordinate remote team standups and deadlines
Privacy
All timezone calculations happen locally in your browser. No dates or times are transmitted.
Limitations
Daylight saving time transitions can cause ambiguous or missing times near the changeover hour. The converter uses the IANA database rules for the selected timezones, which match standard operating system behavior.
Last reviewed: July 2026.