Free Date Difference Calculator - Days Between Dates

Calculate the exact difference between two dates in days, weeks, months, and years. Supports Shamsi (Afghan), Gregorian, Islamic (Hijri), and other calendar systems. Perfect for tracking deadlines, project timelines, anniversaries, and date intervals.

Start Date

End Date

About Date Difference Calculator

Our date difference calculator helps you find the exact time between two dates. Whether you're calculating project deadlines, tracking anniversaries, or planning events, this tool provides accurate results in multiple calendar systems including Shamsi (Afghan), Gregorian, and Islamic calendars.

Key Features:

  • Calculate difference in years, months, weeks, and days
  • Support for Shamsi (Afghan), Gregorian, and Islamic calendars
  • Accurate calculations using proper calendar conversion algorithms
  • Easy-to-read results with detailed breakdown including hours, minutes, and seconds
  • Real-time validation and error handling

Use Cases:

  • Calculate age or time since a specific event
  • Plan project timelines and deadlines
  • Track anniversaries and important dates
  • Calculate time remaining until events