Time Calculator

Add or subtract hours, minutes, and seconds with precision

: :
: :
Result:
-- : -- : --
: :
: :
Time Difference:
-- : -- : --

How to Use the Time Calculator

Our Time Calculator offers two main functions:

Adding or Subtracting Time

  1. Enter your starting time in the "Start Time" field (hours, minutes, seconds).
  2. Select whether you want to add or subtract time.
  3. Enter the amount of time to add or subtract.
  4. Click "Calculate" to see the result.

Finding Time Difference

  1. Switch to the "Time Difference" tab.
  2. Enter the first time.
  3. Enter the second time.
  4. Click "Calculate Difference" to find how much time is between them.

Common Applications

  • Project Management: Calculate deadline times or project durations.
  • Cooking: Add cooking times to determine when a meal will be ready.
  • Fitness: Calculate workout durations or rest periods.
  • Travel: Determine arrival times based on journey duration.
  • Medicine: Calculate time intervals between medication doses.

Note:

This calculator uses the 24-hour format (00:00 to 23:59). For the Add/Subtract function, results will be shown in a circular 24-hour format. For the Time Difference function, the absolute difference between times is calculated.