Days between dates
Check the exact number of days between two dates.
Summary
Weekday totals exclude Saturdays and Sundays. Public holidays are not excluded.
Add or subtract days
Find the exact date after adding or subtracting a number of days.
Summary
About this tool
What this tool does
Use the date calculator to measure the interval between two calendar dates or find a date before or after a chosen starting point.
How to read the result
A date difference can depend on whether the starting day is included. The calculator presents a consistent calendar result; legal, contractual or business-day deadlines may follow separate rules.
Practical guidance
Use calendar-day calculations for planning and verify official deadlines when weekends, holidays, time zones or inclusive counting matter.
Related tools
For the next step, you may also need: Age Calculator Online.
Calendar days and weekdays
The result separates total calendar days from weekdays falling Monday through Friday. Saturdays and Sundays are excluded from the weekday total, but public holidays are not, because holiday calendars differ by country and region.
How to use
- Choose difference, addition or subtraction.
- Enter the required date or dates.
- Enter the number of days when adding or subtracting.
- Calculate and verify the resulting date or interval.