Ajouter des jours à une date

Planning ahead often requires moving forward or backward by a specific number of days from a known starting point. You might need to know the exact date a 30-day invoice is due, when a 90-day warranty expires, or what the date was 100 days ago for a historical report. Manually counting across months and years is tedious and prone to errors, especially when February is involved. Our Add or Subtract Days from a Date calculator is a simple yet powerful tool that handles the calendar logic for you. Simply pick a starting date and enter the number of days, and the tool will instantly pinpoint the resulting calendar date.