Can I calculate business (working) days only?

Yes — use the 'Calculate in business days' option to include only Monday to Friday in the calculation.

How do I add or subtract days, weeks, months, or years from a date?

Switch to the Add/Subtract calculator, enter the base date and quantities to add or subtract, then click Calculate to get the resulting date.

Select the start and end dates in the calculator and click Calculate. The tool shows the total days and breaks down years, months, and days.

Use these calculators to find the number of days between two dates or to add/subtract days from a specific date.

Find years, months, and days between two dates.

Calculate a date by adding or subtracting days, weeks, months, or years.

Start Date

End Date

Include end day (add 1 day)

Base Date

Add or Subtract

Calculate in business days

Select start and end dates, then click Calculate. The result shows total days and a breakdown of years, months, and days.

Yes — the calculator uses real calendar arithmetic, so February 29 on leap years is handled correctly.

Use the "Calculate in business days" checkbox when adding or subtracting days — weekends are skipped automatically.