Time Duration Calculator
Inputs
Time Duration Calculator
Hours, minutes and seconds between two times, including overnight.
Primary result
Duration
8h 30m 0s
Breakdown
Total seconds30600
Crossed midnightNo
Formula
End − start in seconds; add 24h if end is earlier
If the end time is earlier than the start, the calculator assumes the end is the next day (shift crossing midnight).
Example
22:15 to 06:45 → 8h 30m
FAQ
Does this include dates?
This tool is time-of-day only. Use date difference for multi-day spans.
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