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About Date Calculations

Add/Subtract Dates

Easily add or subtract days, weeks, months, or years from any date. Perfect for planning events, deadlines, and schedules.

Date Differences

Calculate exact differences between two dates in years, months, weeks, and days. Understand time spans accurately.

Business Days

Calculate working days excluding weekends and holidays. Essential for project planning and business calculations.

Quick Calculations

Use quick buttons for common time periods like 1 week, 1 month, or 1 year for faster calculations.

Mobile Friendly

Works perfectly on all devices - desktop, tablet, or mobile phone. Calculate dates on the go.

100% Secure

Your date calculations stay private - we don't store any personal information or calculation data.