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Date Calculator

Calculate date by adding/subtracting duration.

About This Tool

The Date Calculator helps you quickly calculate the date after a period of time (years, months, weeks, days) or calculate a past date. Ideal for project planning, visa calculations, expiry dates, etc.

Features

  • 📅 Flexible Calculation: Mix years, months, weeks, and days
  • ➕ Bidirectional: Support adding and subtracting time
  • ⚡ Real-time: Instant results as you adjust parameters
  • 📋 One-click Copy: Copy date and weekday instantly
  • 🛡️ Privacy First: Local calculation, no data upload

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