How to Use Time Duration Calculator
Calculate the hours and minutes between two times, including overnight.
Open the Time Duration Calculator tool →What is Time Duration Calculator?
Calculate the hours and minutes between two times, including overnight. It's completely free, needs no sign-up, and runs entirely in your browser — so it's fast and private.
How to use Time Duration Calculator
- Open the Time Duration Calculator tool.
- Enter your values or options.
- The result updates instantly as you type.
- Use or copy the result. Everything runs in your browser — nothing is uploaded.
Frequently asked questions
Does it handle overnight times?
Yes — if the end time is earlier than the start, it's treated as crossing midnight.
What does it output?
The duration in hours and minutes, plus total minutes and decimal hours.
Ready to try it?
Open Time Duration Calculator →