Date Difference Calculator
Calculate days between dates or add/subtract days from any date
Quick Select (End Date)
About This Calculator
Date Difference Mode
Calculate the exact time between any two dates. Get results in years, months, days, weeks, hours, and even business days.
Add/Subtract Days Mode
Need to find a date X days from now? Use the add or subtract mode to quickly calculate future or past dates.
Business Days Calculation
Weekdays exclude Saturdays and Sundays. Business days can optionally exclude US federal holidays for accurate work-day calculations.
US Federal Holidays Included
New Year's Day, MLK Day, Presidents Day, Memorial Day, Independence Day, Labor Day, Columbus Day, Veterans Day, Thanksgiving, and Christmas Day.