Work Hours Calculator
Calculate worked hours from start and end times. Use this free work hours calculator for fast, clear results with no signup required.
Work Hours Calculator guide
What it is for
Plan work hours calculator using dates, times, durations, or calendar inputs.
How it is calculated
Subtract the start clock time from the end clock time in minutes. An earlier end time is treated as an overnight shift; divide the minute total by 60 for hours.
Assumptions
The dates, time zone, breaks, daylight-saving behavior, and work rules describe your situation.
Example
From 09:00 to 17:00 the elapsed shift is 8 hours. A 22:00 start and 06:00 end also span 8 hours across midnight.
Limitations
Daylight-saving changes, holidays, breaks, travel, and employer policies may require a separate check.