This date calculator finds the number of days between two dates or calculates a future/past date by adding or subtracting days.

How to Use

Select a start date and end date
The calculator shows the exact number of days between them
It also displays weeks, months, and working days
Use the "Add/Subtract" mode to find a date offset

Common Uses

Project planning: Calculate days until a deadline
Event countdown: Days until a wedding or vacation
Age calculation: Exact days since a specific date
Working days: Business days between dates

Tips

The calculator accounts for leap years automatically. When calculating business days, weekends are excluded by default. Results include both start and end dates in the count.

Date Calculator

Days Between Two Dates

Add or Subtract Days from a Date

About the Date Calculator

How to Use

Common Uses

Tips