Time Duration Calculator

Calculate time duration

🔒 This tool runs fully in your browser. No files or data are uploaded.
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Hours
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Minutes
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Total Minutes

How to Use

  1. Enter start time (hour and minute)
  2. Enter end time (hour and minute)
  3. Click "Calculate Duration" to see the time difference

FAQ

  • Does it handle times across midnight?
    Yes, if the end time is earlier than the start time, it assumes the end time is on the next day.
Disclaimer: This calculator uses 24-hour format. Times are calculated assuming the same day unless end time is before start time.