Planning tool

Time Zone Converter

Compare a date and time across major IANA time zones with daylight saving handled.

Runs in your browser
Time Zone ConverterDST aware
Source time
Tuesday, August 18, 2026 at 4:07:00 AM EDT
Converted time
Tuesday, August 18, 2026 at 9:07:00 AM GMT+1
UTC
2026-08-18T08:07:00.000Z

How to use this time zone converter

  1. Choose the date, time, source zone, and destination zone. Check the date as well as the clock time.
  2. Compare the converted result with the source. Check the selected direction, format, and options before copying it.
  3. Change one input at a time to compare another case, then copy or save the result you plan to use.

About this time zone converter

Use the Time Zone Converter to compare a date and time across major IANA time zones with daylight saving handled. Each control affects a specific part of the result.

You can also use it to compare the converted result with the source.

Example

Convert a 3:00 PM meeting from New York to London, then check whether the destination falls on a different date.

Common uses

  • compare a date and time across major IANA time zones with daylight saving handled
  • compare the converted result with the source
  • prepare the output for another task or program