Everyday · FREE CALCULATOR

Time Duration Calculator

Find elapsed minutes and hours between two times on a 24-hour clock. Change the sample numbers to get an instant estimate tailored to your situation.

Your inputs

Adjust any value to update the results.

Calculated results

Based on your current inputs

Calculating…

UNDERSTAND THE MATH

How this calculator works

Enter whole hours and minutes for the start and end times. An end time earlier than start is treated as the next day.

Formula

Elapsed minutes = (end − start + 24h) modulo 24h.

Before you use the result

Calculator outputs are estimates based on the numbers you provide. Replace the examples with measurements, costs, rates, or product information appropriate to your situation.

Keep in mind

Measures less than 24 hours and cannot tell same-day zero duration from a full day.