Calculate hours, minutes, and seconds between two times
Include Dates
For multi-day calculations
Duration
Total Hours
0
Total Minutes
0
Total Seconds
0
Time duration calculations are essential for project planning, time tracking, event scheduling, and understanding intervals between different points in time.
Calculate total hours worked, overtime, and break times for payroll.
Determine duration of meetings, conferences, and social events.
Calculate flight durations, layovers, and total journey time.
Measure workout durations, rest periods, and activity time.
Track task durations, sprint lengths, and milestone timing.
Calculate game session durations and tournament timing.
Duration = End Time - Start Time
Start: 9:00 AM
End: 5:00 PM
Duration: 8 hours
Start: 10:00 PM
End: 6:00 AM (next day)
Duration: 8 hours
| Hours | Minutes | Seconds | Common Usage |
|---|---|---|---|
| 1 hour | 60 min | 3,600 sec | Meeting |
| 2 hours | 120 min | 7,200 sec | Movie |
| 4 hours | 240 min | 14,400 sec | Half work day |
| 8 hours | 480 min | 28,800 sec | Full work day |
| 12 hours | 720 min | 43,200 sec | Half day |
| 24 hours | 1,440 min | 86,400 sec | Full day |
Use the "Include Dates" option when calculating durations that span across midnight or multiple days. The calculator automatically handles overnight transitions when dates are not included, but adding dates gives you more precise control for multi-day calculations.