Add or subtract days, weeks, months or years from any date to find your target date.
It adds or subtracts days, weeks, or months from a date to find a result date.
Yes, tick working days only to skip weekends.
The calculator works for any valid calendar date.
Add or subtract days, weeks, months from any date. Find deadlines and due dates instantly. It's built for a fast, no-fuss answer — enter your dates and the calculation happens instantly in your browser.
Date Calculator is commonly used for: Working out exact timeframes for contracts, deadlines or planning. Settling an argument about how many days are left until something.
The result should be treated as a practical guide rather than professional advice. For legal, financial, health, tax, pregnancy, school holiday, tide or public holiday decisions, confirm important details with an official source or qualified professional.
MyCalendarTools tools run in your browser wherever possible. We aim to keep pages clear, lightweight and easy to read on mobile, tablet and desktop. If a page uses dates, public holidays or calendar rules, those rules can change over time, so checking the final result against the relevant authority is recommended for high-stakes decisions.
Canonical URL: https://mycalendartools.net/date-calculator/