Online Time Duration Calculator

Enter a start time and an end time to get the exact elapsed duration in hours, minutes and seconds. Handy for shifts, study blocks and billing by the hour.

Tool Features

• Compute hours, minutes and seconds between times
• Support shifts that cross midnight
• Instant total in decimal hours too
• Responsive design for mobile and desktop
• No registration or software installation

Common Usage

• Measure a work or night-shift length
• Track focused study or workout blocks
• Bill clients by elapsed hours
• Plan daily schedules accurately