FinoMath

Date Calculator

Add or subtract days, weeks, months, or years from any date.

Result date

October 1, 2026

What this calculator does

This calculator adds or subtracts a chosen number of days, weeks, months, or years from a starting date, and returns the resulting calendar date.

Related Calculators

Age CalculatorCalculate exact age in years, months, and days from a date of birth.Date Difference CalculatorFind the exact number of days, weeks, or months between two dates.

Frequently Asked Questions

Can I subtract days, weeks, months, or years from a date?

Yes. Choose "Subtract" as the direction and select the unit and amount you want to go back in time from the start date.

Does this account for different month lengths?

Yes, adding or subtracting months and years correctly accounts for varying month lengths and leap years.