Date Calculator — Calculate the Difference Between Any Two Dates
Use this free date calculator to find the number of days between two dates, calculate hours or minutes between datetimes, or add and subtract days from any date. Choose your mode for an instant result with a full breakdown.
Date Calculator
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What Can This Date Calculator Do?
This calculator covers four common date calculations in one place. Days Between Dates gives the total number of days between two dates with a breakdown in weeks, months and years. Hours Between Dates calculates precise hours and minutes between two datetimes. Minutes Between Dates does the same in minutes. Add or Subtract Days takes a start date and adds or removes days to find a future or past date and the exact day of the week.
Common Uses for a Date Calculator
Date calculators are used for calculating days until a deadline or event, finding how many days between two historical dates, working out a date a set number of days in the future, calculating contract or notice periods and tracking time between appointments or milestones.
FAQs
How do I calculate the number of days between two dates?
Use the Days Between Dates mode. Enter your start and end dates and click Calculate. The result shows total days plus a breakdown in weeks, months, hours and minutes.
How do I find what date is 90 days from today?
Use the Add or Subtract Days mode. Enter today’s date, select Add days and enter 90. The result shows the exact date and day of the week.
Can I calculate hours and minutes between dates?
Yes — use the Hours Between Dates or Minutes Between Dates tabs which include time inputs for precision to the minute.
Is this calculator free?
Yes completely free with no sign-up needed.