Days Between Dates Calculator
Calculate the exact difference between two dates in days, weeks, months and years with our free online date calculator.
Enter a start date and an end date to instantly find the number of days between them and view the calendar date difference.
Date Difference Calculator
Calculate Days Between Two Dates
Enter both dates below to calculate the difference.
Example: 01-01-2020
Example: 01-01-2026
Quick examples
About This Calculator
Calculate the Difference Between Two Dates
The Days Between Dates Calculator helps you quickly determine how much time exists between two calendar dates. Enter your start date and end date to calculate the total number of days, complete weeks, remaining days and calendar difference.
This tool is useful for planning events, tracking project durations, calculating deadlines, checking anniversaries, measuring time periods and many other everyday date calculations.
Features
Everything You Need for Date Calculations
A simple and convenient way to calculate date differences online.
Exact Days
Find the exact number of calendar days between two dates.
Weeks & Days
See complete weeks along with the remaining number of days.
Calendar Difference
View the difference in calendar years, months and days.
Instant Results
Get your calculation quickly without manually counting dates.
How It Works
How to Calculate Days Between Dates
Follow these simple steps to calculate the time between any two dates.
Enter the Start Date
Enter the date from which you want to start the calculation.
Enter the End Date
Enter the second date that you want to compare.
Calculate the Difference
Click Calculate Days to instantly see the results.
Common Uses
When to Use a Days Between Dates Calculator
Project Planning
Calculate how long a project, task or development period lasts.
Event Planning
Find the number of days between important events and dates.
Deadlines
Measure the time available before or after a deadline.
Anniversaries
Calculate the amount of time between anniversaries or milestones.
Business Planning
Calculate durations for contracts, campaigns and business activities.
Everyday Calculations
Quickly calculate the duration between any two calendar dates.
Important Information
Date format: Enter dates using the DD-MM-YYYY format shown in the calculator.
Leap years: Leap years contain an additional day in February, which is automatically reflected when calculating date differences.
Calendar difference: The calculator can display the date difference using calendar years, months and days in addition to the total number of days.
Free to use: This online calculator is available without requiring a manual calculation.
FAQ
Frequently Asked Questions
How do I calculate the number of days between two dates?
Enter the start date and end date in the calculator and select Calculate Days. The calculator will display the total number of days and other date difference details.
Can I calculate the difference across a leap year?
Yes. Date calculations account for the number of days in each calendar year, including leap years.
Does the calculator show weeks as well as days?
Yes. The result includes total days, complete weeks, remaining days and calendar difference information.
What date format should I enter?
Enter dates in DD-MM-YYYY format, for example 01-01-2026.
Calculate Your Date Difference
Enter two dates above and instantly find the exact number of days, weeks and calendar difference between them.
Calculate Now