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Date Difference Calculator

Calculate precise date differences, business days, age calculations, and date arithmetic. Perfect for project planning, age verification, and business calculations.

📅 Date Difference
💼 Business Days
⏰ Time Zones

Date Calculation

Results

📅

Ready to Calculate

Select dates and click calculate to see detailed results

Quick Actions

Calculation Types

📊

Date Difference

Calculate exact differences between two dates in years, months, days, hours, and minutes.

➕

Add/Subtract Time

Add or subtract days, weeks, months, or years from any date to find future or past dates.

💼

Business Days

Calculate working days excluding weekends and holidays. Perfect for project planning.

Features

⏰ Time Precision
🌍 Multiple Formats
📱 Mobile Friendly
💾 Save Results
🎯 High Accuracy
🔄 Quick Actions

Common Use Cases

Project Management

Calculate project duration, milestone dates, and delivery timelines.

Age Verification

Determine exact age in years, months, and days for various purposes.

Event Planning

Plan events, calculate countdown timers, and schedule activities.

Financial Planning

Calculate investment periods, loan terms, and maturity dates.

Tips & Shortcuts

💡 Use quick action buttons for common date ranges
⌨️ Press Tab to navigate between date inputs quickly
📋 Click copy button to save results to clipboard
🔄 Toggle time inclusion for more precise calculations