Date Calculator — Days Between Dates & Add/Subtract Days
Free online date calculator. Count days between dates, add or subtract days, and exclude weekends. Fast, simple, and accurate.
Open CalculatorDifference
Calculate the exact number of days, weeks, months, and years between two dates.
Add Days
Easily add days, weeks, months, or years to a specific start date.
Subtract Days
Find out what the date was a certain number of days, weeks, months, or years ago.
Business Days
Determine the number of business days between two dates, excluding weekends.