Date Calculators
Add, subtract and compare dates with clear handling for month ends and leap years.
8 tools
Open a calculator to view its method, result classification and limitations.
Date Difference CalculatorSee a full breakdown between two dates in years, months, and days, plus total values.Days Between DatesQuickly count the days between two dates, with an optional business-day calculation.Weeks Between DatesFull weeks plus remaining days between two dates.Months Between DatesSee the exact calendar-month difference and an approximate decimal-month value between two dates.Add or Subtract DaysAdd or subtract days (all days or business days only) from a date.Add or Subtract WeeksAdd or subtract whole weeks from a date.Add or Subtract MonthsAdd or subtract months, handling month-end correctly.Add or Subtract YearsAdd or subtract years, including leap-day handling for February 29.