Calculate the duration between two dates and times. Use this free time duration calculator to find elapsed days, hours, minutes, seconds, total hours, total minutes, and total seconds.
Start date and time:
Enter when the time period begins.
End date and time:
Enter when the time period ends.
Overnight option:
If the end time is earlier than the start time, the calculator can treat the end time as the next day.
Final duration:
The calculator converts the difference into days, hours, minutes, seconds, total hours, total minutes, and total seconds.
A time duration calculator helps you find elapsed time between two points. It is useful for work shifts, time tracking, appointments, meetings, travel, school schedules, events, and project planning.
It can also help convert a duration into decimal hours for payroll, billing, invoices, or spreadsheets.
Your result shows the elapsed time between your start and end entries. The same duration is shown as standard time, decimal hours, total minutes, and total seconds.
A time duration calculator finds the amount of time between a starting date and time and an ending date and time.
Yes. If the end time is earlier than the start time, you can treat the end time as the next day or show the result as a negative duration.
Decimal hours convert minutes and seconds into part of an hour. For example, 8 hours and 30 minutes equals 8.5 hours.
Yes. This calculator can help estimate the length of a work shift, but it does not automatically subtract breaks unless you adjust the start or end time yourself.