📅 Date Difference Calculator

Calculate the exact difference between two dates in days, months, years, hours, and minutes. Perfect for project planning and age calculations.

Select Dates

Choose the start and end dates to calculate the difference

Start Date

End Date

Include end date in calculationShow business days (exclude weekends)

Quick Examples

Common Calculations

• Age calculation (birth date to today)

• Project duration (start to end date)

• Days until vacation

• Employment duration

Tips

• Use "Include end date" for inclusive counting

• Business days exclude weekends

• Results account for leap years

• All calculations are precise to the day

🛠️About Date Difference Calculator

This date difference calculator helps you find the exact time duration between two dates. Whether you need to calculate someone's age, project duration, or time until an event, this tool provides precise results in multiple formats.

✨Key Features

Calculate difference in years, months, and days

Show total days, hours, and minutes

Include or exclude the end date

Business days calculation

Age calculation mode

Copy results to clipboard

🎯Common Use Cases

🎂Age calculation

📊Project duration planning

⏰Event countdown

💼Employment duration

💕Relationship milestones

📚Historical date analysis

📋How to Use

Select or enter the start date

Select or enter the end date

Choose calculation options

View results in multiple formats

Copy the results you need

💡Additional Information

The calculator uses precise date arithmetic to ensure accurate results. It accounts for leap years, different month lengths, and provides both exact and approximate calculations for maximum flexibility.