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SwiftTools

Time Zone Converter

Free time zone converter. Convert a clock time between world time zones with correct daylight-saving handling.

World clock (live)
America/New_York
UTC-4
Oct 16, 2026, 10:37 AM
Europe/London
UTC+1
Oct 16, 2026, 3:37 PM
Asia/Tokyo
UTC+9
Oct 16, 2026, 11:37 PM
Your local time: Oct 16, 2026, 2:37:48 PM · UTC: Oct 16, 2026, 2:37 PM. Times update every second.

Processed locally in your browser. Nothing you type is uploaded to a server.

About Time Zone Converter

Convert a time from one city to another - New York to London, Tokyo to Sydney, and so on. Daylight-saving rules are applied automatically using your system zone data.

How to use it

  1. 1Set the date and time to convert.
  2. 2Choose the from and to time zones.
  3. 3Read the converted time with its abbreviation.

Examples

NY to London

Input
09:00 EDT in New York
Result
14:00 BST in London (summer)

Tokyo to Sydney

Input
18:00 JST in Tokyo
Result
20:00 AEDT in Sydney (summer)

Frequently asked questions

Are DST rules respected?

Yes - conversions use real zone rules, not fixed offsets.

Can I compare several zones?

Convert to each zone in turn for the same source time.

What about historical dates?

Current rules apply; very old dates may differ by era.

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