Free Utility Browser tool

Time Zone Calculator

Convert date and time between countries, cities and time zones while accounting for UTC offsets and daylight saving time.

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Quick facts

  • Best for
    fast everyday workflows
  • Result
    copy-and-paste output
  • Note
    Runs in your browser with no sign-up required.

About this Tool

Choose a source and destination city, enter the local time, and see the corresponding local time with its UTC offset.

Why people use this tool

  • Plan international meetings without mental timezone arithmetic.
  • Accounts for daylight-saving rules where the operating system provides them.
  • Shows the UTC moment so teams can confirm the conversion.

How to use it

  1. Choose the country and city where your original time applies.
  2. Choose the destination and enter the date and time.
  3. Select Convert to see the destination time and offset.