Duration Calculator

Calculate the exact duration between two dates and times

Date & Time Input
Enter start and end dates with times

Start Date & Time

End Date & Time

Duration Results
Time difference breakdown

Enter start and end dates to calculate duration

What is this calculator?
  • Calculates exact time between two dates
  • Includes both date and time precision
  • Shows results in multiple units
  • Handles days, hours, minutes, seconds
Why do you need it?
  • Project timeline calculations
  • Event planning and scheduling
  • Work hour tracking
  • Age and milestone calculations
When do you need it?
  • Planning project deadlines
  • Calculating work shifts
  • Event countdown timers
  • Travel time planning