Time Zone Converter

The Time Zone Converter translates a date and time between two cities, using the browser's built-in Intl API for accurate daylight saving time handling.

Steps

1. Select the two cities at the top (or use a quick pair like London → New York)
2. Set the date and time. The result updates instantly
3. Use the swap button to reverse the direction
4. Add extra cities below to compare more zones at once

Features

• Instant Results: No convert button needed. Everything updates as you type
• Remembers Your Cities: Your last conversion is restored on your next visit
• DST Aware: Automatically accounts for daylight saving time
• Date Shifts: Shows +1 day or -1 day when conversions cross midnight
• Quick Pairs: One click for common city pairs
• Copy: Share the converted time as plain text

Tips

• Click "Now" to convert the present moment
• Pay attention to date differences. A Monday morning in New York can be Monday evening in Tokyo
• DST transitions vary by country; this tool uses live browser data for accuracy

You can embed this util on your own site as a widget. Adding ?embed=1 to the URL loads a compact version with just the tool itself; no header, menu, or documentation. Paste this snippet into your HTML:

Copy snippet Adjust the height to taste.