Time Format
12-hour
24-hour
Start Time
Hour
Minute
Second
AM/PM
AM
PM
Now
End Time
Hour
Minute
Second
AM/PM
AM
PM
Now
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Allow crossing midnight (if end time is earlier than start time, assume next day)
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Results
Duration:
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Total Hours:
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Total Minutes:
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Total Seconds:
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Step-by-Step Calculation