Time zone converter

Convert one explicit-offset instant to named time zones using your browser’s time-zone data.

Tool guide

How to use Time zone converter

Convert one explicit-offset instant to named time zones using your browser’s time-zone data.

  1. Enter the values and choose the operation or units. Read the supported limits beside the inputs; try the labelled sample to see an example.
  2. An explicit offset identifies the instant; ambiguous or nonexistent local clock times are never guessed. Rules depend on your browser’s time-zone data; output omits fractional seconds.
  3. Choose Convert time zones. Review the result, then download the text result. Editing inputs invalidates old results.
  4. Calculations are local and unmetered. Inputs and results are not uploaded or saved to your account; leaving the page clears them. Downloaded files remain on your device.
Read the full guide

Common questions

What are the limits of Time zone converter?

1–10 browser-supported IANA zone names; instant years 0001–9999; 1,100 zone characters. An explicit offset identifies the instant; ambiguous or nonexistent local clock times are never guessed. Rules depend on your browser’s time-zone data; output omits fractional seconds.