Time Calculator

Calculate time durations, add or subtract time, and convert between time formats.

Time Calculator Features

  • Add or subtract time durations
  • Supports hh:mm:ss format
  • Handles time overflow and normalization
  • Step-by-step calculation
  • Mobile-friendly UI

Formulas

  • Addition: (h1:m1:s1) + (h2:m2:s2)
  • Subtraction: (h1:m1:s1) - (h2:m2:s2)
  • Normalization: 60s = 1m, 60m = 1h