Time calculator: hours between times, add or subtract time

Hours between two times

8 h 30 min (8.50 hours)

Add or subtract time

02:15 (next day)

How it is calculated

Times are on a 24-hour clock; an end time earlier than the start counts as the next day. Everything runs in your browser.

Source: Hasbeli · Last confirmed: 25 October 2026

Everything runs in your browser.