Time Duration Calculator
Find the duration between two times, including overnight spans.
Results
Duration
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Total Minutes
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Total Seconds
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What is Time Duration?
Time duration is the length of time between a start time and an end time. It is commonly used to calculate work hours, travel time, sleep duration, and event lengths.
How to Use This Calculator
- Enter the start time and end time in HH:MM format.
- Check the "next day" box if the end time occurs on the following day (e.g., night shifts).
- Click "Calculate Duration" to see the elapsed time.
Frequently Asked Questions
How does the next-day option work?
If the end time is earlier than the start time and the checkbox is enabled, the calculator assumes the end time is on the following day and adds 24 hours.
Can I use this for work shifts?
Yes, this calculator is ideal for calculating shift durations, especially for overnight workers.
What format should I use?
Use the 24-hour HH:MM format, or use the browser's time picker if available.
Does it handle seconds?
The inputs use minute precision, but the output includes total seconds for reference.