![](https://addons.mozilla.org/user-media/addon_icons/2833/2833798-64.png?modified=91c676d8)
Date Calculator
Displays dates 28, 14, 7, and 4 days before and after today.
Date Calculator is available to install from Firefox Browser Add-ons and for download from this page. The latest version is 1.0, and it was published 7 months ago.
Install from Firefox Browser Add-onsTotal download count: 0 (Only count downloads from Firefox-Stats)
All available versions
You can find the current and older versions of Date Calculator here. You can download the archived versions or inspect their source codes.
As a free user, you can only download the latest version.
Upgrade to download older versions
1 versions available for download. Install XPI file
- Simply drag-and-drop the XPI into Firefox to install the add-on.
Install ZIP file
- Download the Date Calculator ZIP file
- In Firefox browser, go to
about:addons
to open Add-ons Manager - Click on , then select Install Add-on From File
- Select the Date Calculator ZIP file from step 1. Date Calculator is now installed on your browser.