Time Calculator
Add or subtract time (hours, minutes).
Result
Hours
16
- Minutes
- 30
Common questions
How do I add or subtract hours and minutes?
Enter the start time and the duration to add or subtract. The calculator handles rollover past midnight automatically. For example, 10:45 PM + 3 hours 30 minutes = 2:15 AM.
How do I calculate the difference between two times?
Enter the start and end times. The calculator returns the difference in hours and minutes. It handles overnight spans (e.g., 11 PM to 7 AM = 8 hours).