Date Difference Calculator
Select two dates and instantly see the exact difference in days, weeks, months, and years.
Total Days
0
Weeks
0 weeks 0d
Total Months
0 months
Y / M / D
0y 0m 0d
How to Use
- 1
Select your start date
- 2
Select your end date
- 3
The difference is calculated automatically in days, weeks, and months
Frequently Asked Questions
How accurate is the date difference?
The calculation is exact to the day, accounting for leap years and month lengths.
Can I calculate past and future dates?
Yes, any two dates work — past, present, or future.
What is the breakdown view?
It shows the difference broken down into exact years, months, and remaining days.
Is this free?
Yes, completely free and no signup required.
Count the days between two dates
A date difference calculator tells you exactly how much time lies between two dates, in days, weeks, months or years. It accounts for different month lengths and leap years so the count is always right.
Pick a start and end date and the gap appears instantly.
Why people count days
- Counting down to or back from an event or deadline.
- Working out durations for projects, leave or contracts.
- Settling "how long ago was that?" questions.
- Calculating someone’s age instead? Use the age calculator.
Accurate and private
The calculation runs in your browser with full calendar rules, and no dates are sent anywhere.