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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.

Guide étape par étape

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

Exemples résolus

Erreurs courantes à éviter

• ✕Not double-checking results
• ✕Ignoring edge cases

Questions fréquentes