Date Calculators
Free online tools to count days between dates, add or subtract days from any date, and work with business days — every result ready to copy or share.
Days Between Dates Calculator
Count calendar or business days between two dates, with inclusivity toggles, US federal holiday exclusion, and a full breakdown of weekdays, weekend days, and weeks.
Add Days to Date
Add or subtract any number of days from any start date — the answer to "180 days from July 29" — with a business-days alternative and shareable links.
Business Days Calculator
Add business days to a date or count them between dates, skipping weekends, US federal holidays, and custom dates — with a breakdown naming every skipped day.