Time Duration Calculator
Hours, minutes, and decimal hours between two clock times — even across midnight.
Duration
8 h 30 m
within one day
Total minutes510
Total seconds30,600
Decimal hours8.5
Share of an 8 h day106.3%
About the Time Duration Calculator
Hours, minutes, and decimal hours between two clock times — even across midnight.
It runs entirely in your browser — nothing you type is sent to a server — and the result updates as you edit the inputs. Estimates are for educational and informational purposes only; see ourdisclaimer.
Common searches
- time between
- duration
- hours
- shift
- midnight
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