Time Difference Calculator

A timezone difference calculator shows the absolute time difference between two UTC offset zones, useful for scheduling international meetings and calls. Use this calculator for accurate, instant results.

The calculator uses the standard published formula for timezone difference. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

This calculator works with inches. You can enter values in the units shown — the calculator handles all conversions internally.

The core formula is: Difference = |UTC offset 1 − UTC offset 2|. Each step in the calculation is shown so you can verify the result manually.