Time Duration Calculator

Calculate the duration between two dates and times, add or subtract time from a date, and visualize your time calculations with interactive charts.

Start Date & Time

End Date & Time

Duration Result

Enter dates and calculate to see results

Your calculations will appear here

Calculate the exact duration between two specific dates and times. Perfect for project planning or tracking time intervals.

Add or subtract years, months, days, and hours from a specific date. Useful for deadlines and scheduling.

See your time calculations represented in interactive charts and keep a history of your calculations for reference.