Enter a start time and end time to calculate the exact duration between two times or dates in days, hours, minutes, and seconds.
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This Time Duration Calculator calculates the exact duration between a start and end time or date. It helps track work hours, measure elapsed time, manage project timelines, plan events, and accurately calculate time differences.
Use the time duration tab as a time interval calculator to find the exact interval between two times quickly and accurately.
Steps:
Use the date duration tab to calculate the exact duration between two dates. This feature works similarly to a Date Duration Calculator, providing accurate results in days and other time units.
Steps:
👉 The formulas above are used to calculate the duration between two times or dates. If you need to add or subtract time values, try our time calculator for quick and accurate calculations.
Start Time: 10:00 AM
End Time: 5:30 PM
Duration = End Time − Start Time
Duration = 5:30 PM − 9:00 AM
Result:
Time Between Two Times = 7 Hours 30 Minutes
Start Date: June 2, 2026
End Date: June 22, 2026
Duration = End Date − Start Date
Duration = June 22, 2026 − June 2, 2026
Result:
Time Between Two Dates: 20 Days
Start Time: 10:00 PM
End Time: 6:00 AM (Next Day)
Duration = End Time − Start Time
Result: 8 Hours
The time duration and time difference are closely related terms, but they slight different meanings. Here we have provided a comparison table for a better understanding of the concept.
| Time Duration | Time Difference |
| It indicates the length of time between a start and an end time. | Shows the gap between two specific times or dates. |
| Commonly used for daily activities, projects, shifts, and events. | Commonly used when comparing two timestamps. |
| Time duration is expressed as hours, minutes, seconds, days, etc. | The time difference results in a duration value. |
| Focuses on elapsed time. | Focuses on comparing two points in time. |
Elapsed time is the amount of time that passes between a start and an end point. Our elapsed time calculator helps determine the exact elapsed time between two times or the time between dates and provides accurate results in days, hours, minutes, and seconds.
Yes, you can use our time difference calculator to determine the hours between two times. This can help with payroll calculations, employee timesheets, and work-hour tracking.
Yes, use the Date Duration tab to calculate the exact duration between two dates. Enter the start and end dates, and the calculator will display the elapsed time instantly.
Yes, it can calculate time durations that cross midnight, such as 10:00 PM to 6:00 AM.
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