Hours Calculator — Total Hours Between Two Times

The Hours Calculator calculates the total number of hours between a start time and an end time. Enter your start hour and end hour to instantly see the duration — perfect for calculating work shifts, billing hours, meeting durations, or any elapsed time. Supports overnight shifts spanning midnight.

Frequently Asked Questions

If the end time is earlier than the start time, the calculator assumes the shift spans midnight. For example, start 22:00, end 06:00 = 8 hours (less any break).

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