Time Duration Calculator
Calculate the duration between two times or dates. Results in hours:minutes, decimal hours, and total minutes.
Frequently Asked Questions
How It Works
- Choose your mode — Use the "Time Only" tab if you only need the duration between two clock times on the same day (overnight is handled automatically). Switch to "Date & Time" when your duration spans multiple days.
- Enter start and end — Pick or type your start and end times using the browser's native time or date-time picker. Both fields must be filled before results appear.
- Read your results — The calculator instantly displays the elapsed duration in four formats: hours:minutes, decimal hours, total minutes, and total seconds. All values update live as you change either input.