Hours Between Times Calculator

Find the elapsed time between two times on the same day.

01 / inputs

Start time

HH:MM

End time

HH:MM

02 / result

ELAPSED HOURS

8.5

Decimal hours: 8.5
Total minutes: 510

Calculation trace

17:30 − 09:00 = 510 minutes
8.5 hours
Elapsed time

§

SOURCES

International Organization for Standardization (ISO)
ISO 8601 — Date and time format ↗
24-hour civil time representation and duration between two times
Accessed 2026-08-19