Does the time duration calculator handle overnight shifts?

Yes, if the end time is earlier than the start time, our tool automatically assumes the duration spans across midnight and provides an accurate hour/minute count.

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⏱️

🏠 Everyday

Time Duration Calculator

Calculate the exact time duration between two clock times or timestamps.

⚡ Instant 🆓 Free 🔒 Private

Start Time

End Time

How to Track Time Durations

Calculating the time elapsed between two moments is essential for billing, time-tracking, and schedule planning. This tool finds the "delta" between a start and end time.

Conversion Logic

All times are normalized into total minutes from midnight:

Duration = (End Minutes - Start Minutes)

Overnight Handling:

If your end time is mathematically "smaller" than your start time (e.g., 10:00 PM to 2:00 AM), the calculator automatically assumes the duration spans across midnight and adds 24 hours to the result to ensure accuracy.