Yes, long durations are supported.
Time Duration Calculator
Measure time between start and end date-time with full duration breakdown.
About this tool
Time Duration Calculator helps you measure time between start and end date-time with full duration breakdown. It runs directly in your browser for speed and privacy with no sign-up required. Use the steps below to get results quickly, then copy or download the output and continue with related tools when needed. Try next: Age Calculator • Percentage Calculator.
How to use
- Set the start date-time and end date-time.
- Ensure end is later than start.
- Click Calculate to get total days, hours, minutes, and breakdown.
- Use Try example to see a multi-day interval sample.
Related tools
Try next: Age Calculator • Percentage Calculator • Discount Calculator.
Frequently asked questions
Yes, total hours and days are shown with precision.
The tool is designed for elapsed time, so negative durations are blocked.