Date Difference Calculator

Calculate the exact difference between two dates in days, weeks, months, years, hours, minutes, and workdays. Free online date duration calculator.

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Calculate the exact number of days, weeks, months, years, hours, and minutes between any two dates. Also counts workdays (Monday-Friday) for business planning. Use quick presets for common date ranges or enter any custom dates.

How it works

  1. 1Select or type your start and end dates
  2. 2Use quick presets for last week, month, or year
  3. 3Get the difference in every time unit instantly
  4. 4See workday count for business or deadline planning

Who uses this tool

  • ✓Project deadline tracking
  • ✓Age or anniversary calculation
  • ✓Business contract duration
  • ✓Pregnancy week tracking
  • ✓Days until vacation or event