시간 계산기

공유 링크

소개

Time Duration Calculator — Add or subtract hours, minutes and seconds. Enter Start hour, Start minute, End hour, End minute to get an instant, accurate result.

공식

Duration = (end time − start time) mod 24 hours, handling wraparound past midnight.

단계별 안내

Enter the Start hour.
Enter the Start minute.
Enter the End hour.
Enter the End minute.
Click Calculate to see your result instantly.

실제 예시

Example: With Start hour = 9, Start minute = 0, End hour = 17, End minute = 30, the Time Duration Calculator gives Hours: 8, Minutes: 30, Total Minutes: 510.

자주 묻는 질문

What if the end time is earlier than the start time?

It's assumed to roll over to the next day (e.g. 22:00 to 02:00 is treated as 4 hours).

Is the result shown in total minutes too?

Yes, alongside the hours/minutes breakdown.

What inputs does the Time Duration Calculator need?

You'll need to provide: Start hour, Start minute, End hour, End minute. All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.

How accurate is the Time Duration Calculator?

The Time Duration Calculator applies the formula exactly as calculated — Duration = (end time − start time) mod 24 hours, handling wraparound past midnight. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.

Is the Time Duration Calculator free to use?

Yes, the Time Duration Calculator is completely free, requires no signup, and runs instantly in your browser.