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A date addition calculator adds or subtracts days, weeks, months, or years from a given date to find a resulting date. Useful for calculating deadlines (30 days from today), due dates, warranties (12 months from purchase date), and scheduling. Month addition is ambiguous for months 29–31 days.

دليل خطوة بخطوة

  1. 1Enter base date and interval
  2. 2Add specified days/months/years
  3. 3Return new date

أمثلة محلولة

الإدخال
Jan 1, 2026 + 90 days
النتيجة
April 1, 2026
Accounts for leap years

أخطاء شائعة يجب تجنبها

  • Not double-checking results
  • Ignoring edge cases

أسئلة شائعة

What does this calculator do?

Input values

How do I use this calculator?

System calculates

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الإعدادات