Date Difference Calculator

How to Calculate Days Between Dates

This calculator counts the actual days between two dates. It accounts for leap years and varying month lengths automatically.

Business Days vs Calendar Days

Business days (working days) exclude weekends (Saturday and Sunday). Some calculators also exclude holidays, but since holidays vary by country, this tool only excludes weekends.

Common Uses

• Project deadline tracking
• Age and tenure calculations
• Pregnancy due date estimation
• Contract and lease duration
• Vacation planning
• Event countdown