Days Between Two Dates
Calculate the exact number of days between any two dates. Includes business days and holiday calculations for 20+ countries.
December 8, 2025Monday
December 8, 2025Monday
Options
How to Calculate Days Between Dates
Our date calculator makes it easy to find the exact number of days between any two dates. Simply select your start and end dates, and the calculator instantly shows you the result. Whether you're planning a project timeline, counting down to a special event, or calculating business days for contracts, DaysBetween provides accurate and instant results.
Business Days Calculator
Need to calculate working days only? Enable the "Exclude weekends" option to automatically remove Saturdays and Sundays from your count. For even more precision, enable holiday exclusion and select your country to automatically exclude public holidays from your business days calculation.
Supported Countries
DaysBetween supports public holidays for United States, Canada, United Kingdom, Australia, Germany, France, Spain, Italy, Netherlands, Belgium, Switzerland, Austria, Ireland, New Zealand, Sweden, Norway, Denmark, Finland, Singapore, and Japan. For countries with regional variations like the US, Canada, and Australia, you can select specific states or provinces.
Frequently Asked Questions
By default, the calculator counts the days between the two dates, excluding both the start and end dates. If you want to include the end date in your count (adding one extra day), simply toggle on the "Include end date" option in the settings panel.
Business days are calculated by excluding weekends (Saturday and Sunday by default) from the total count. You can customize which days are considered weekends to match different cultural or business practices. Additionally, you can exclude public holidays by selecting your country and optionally a state/province.
We support public holidays for over 20 countries including the United States, Canada, United Kingdom, Australia, Germany, France, and many more. For countries with regional holidays (like the US states), you can select a specific region to get more accurate results.
Yes! Click the "Share" or "Copy Link" button to generate a unique URL that includes all your calculation parameters. When someone opens this link, they'll see the exact same calculation with all your settings preserved.
Switch to "Add Days" mode using the tabs at the top. Enter your start date and the number of days you want to add. The calculator will show you the resulting date, taking into account your settings for weekends and holidays if enabled.
Yes, our calculator correctly handles leap years, accounting for February having 29 days in leap years. All date calculations use the Day.js library, which is highly accurate and widely used in production applications.