📆
Date Difference
Calculate the number of days between two dates
date differencedays betweeninterval
📖 How to Use
- Enter the start date
- Enter the end date
- Click "Today" to quickly fill in today's date
- Click Calculate Difference
📐 Formula
Difference = |end date − start date| (in days) Also converts to weeks, months, and hours
❓ FAQ
How are leap years handled?▾
Leap years are automatically accounted for — Feb 29 is correctly included in the count.
🔗 Related Calculators
About Date Difference
This tool is completely free, no registration required. Works directly in your browser. Supports both PC and mobile devices.
Date Difference is a free online tool that works on both PC and mobile. No registration or download required — just open in your browser. Results are accurate and reliable for everyday use and professional reference.