Time Calculator

Add or subtract time (hours, minutes, seconds) to get a new time or duration. Useful for work hours, travel time, or scheduling.

The calculator typically uses 24-hour format. Enter times consistently (e.g. 14:30 for 2:30 PM).

Yes. The result can go beyond 24 hours (e.g. 25:00 means 1:00 next day). Useful for total duration across days.

Enter the start time and the duration to subtract (or end time). The calculator will show the resulting time or duration.