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Date Calculator

Calculate date differences and add/subtract days

About Date Calculator

Calculate the difference between two dates or add/subtract days, with business day breakdown.

How to use Date Calculator

  1. 1Enter a start date and end date to calculate the difference.
  2. 2The result shows duration in days, weeks, months and years.
  3. 3Use the "Add/subtract days" section to calculate a future or past date.
  4. 4The breakdown distinguishes business days, weekends and work weeks.

Tips

  • Click "Today" to auto-fill with today's date.
  • Ideal for calculating contract deadlines, delivery times or sprint durations.
  • Business day count excludes Saturdays and Sundays — public holidays are not accounted for.

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OneKitTools TeamUpdated 2.21.4