📘 Step-by-step guide

How to Use Date Difference Calculator – Complete Guide

Find the days between two dates, or add and subtract days from a date.

⏱ 2 min read🛠 Utility Tools🔒 Free · Works on your device

⚡ Quick answer

Two tools in one page.

Open Date Difference Calculator, follow the steps below, and you are done in a minute or two. No sign-in is needed.

You often need to know how many days are left for a deadline, how long a case or a project took, or what the date will be after 90 days.

This tool gives the answer at once, including working days without weekends.

Double-check the values you type, because the result is only as good as the input.
For important matters such as money, land or legal papers, confirm the result with an official source.
Use the Copy button to move the result into your notes or messages.

Does it include the last day?

Not by default. Tick "Count the last day also" if you want both the first and last day counted.

Are holidays counted in working days?

No. Only Saturdays and Sundays are left out. Public holidays are not removed.

Can the From date be later than the To date?

Yes. The tool swaps them and shows the same gap.

Is my data saved?

No. Everything is calculated in your browser.

Is it free?

Yes, completely free.

Date Difference Calculator is free and your files stay on your device.