Time Calculator
Duration between two times, overnight-aware.
Processed locally in your browser — your files never leave your device.
How to use
- 1Enter start and end times in HH:MM.
- 2Read the duration in hours and total minutes.
Enter a start and end time (HH:MM) to get the duration in hours and minutes. Overnight spans past midnight are handled automatically.
Frequently asked questions
What if the shift crosses midnight?
Enter e.g. 22:00 to 06:00 and the tool correctly returns 8 hours.