Free Time Duration Calculator 2026 to calculate the exact time difference between two times in hours, minutes and seconds instantly.
Duration
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Hours
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Minutes
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Total Minutes
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Enter the start time (e.g., 11:00 PM) and end time (e.g., 7:00 AM), and the calculator will automatically calculate the duration across midnight.
You can use either 12-hour format with AM/PM or 24-hour military time format.
Calculate the total duration first, then subtract break time separately to get net working hours.
The calculator provides precise decimal conversions, useful for payroll systems that require decimal hour format.