Date Difference Calculator

Calculate the exact difference between two dates in days, weeks, months, and years.

📅 Start Date

Select Start Date

Selected date will appear here

🎯 End Date

Select End Date

Selected date will appear here

Include end date in calculation

Age calculator mode

🎂 Age Calculation Details

📊 Date Difference Results

📅

Select two dates to compare

📆 Total Days

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Including/excluding end date

🗓️ Weeks + Days

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Complete weeks and remaining days

📅 Months + Days

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Calendar months approximation

📊 Years + Months + Days

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Full breakdown

All calculations happen locally in your browser. No data is sent to any server.

Perfect for planning, scheduling, age calculation, and date comparisons.

Result copied to clipboard!