Date & Time Calculator

How many days are between two dates?

Total Days
0
Same day
Weeks
0.0
approximate

About This Tool

How to Use
  1. Choose a calculation mode from the three tabs: Days Between, Add/Subtract, or Business Days.
  2. Enter your start and end dates using the date pickers.
  3. For Add/Subtract mode, choose days, weeks, or months and a positive or negative amount.
  4. Results appear instantly below the inputs.
Common Use Cases
  • Calculate how many days until a deadline or event
  • Find a future or past date by adding or subtracting time
  • Determine the number of working days between two dates for project planning
Tips & Tricks
  • Business days mode excludes Saturdays and Sundays but does not account for public holidays.
  • Use negative values in Add/Subtract mode to go back in time.

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