Calculate the exact hours, minutes, and seconds between two times. Supports same-day, overnight, and multi-day calculations. Pure client-side.
This tool calculates the exact duration between two times in hours, minutes, and seconds. Perfect for tracking work hours, estimating travel time, or measuring elapsed time. Supports overnight calculations (e.g., 22:00 to 06:00) and multi-day spans with date inputs. All calculations happen in your browser — no data is sent to any server.