$ sudo npm install gregorian-calendar
$ sudo npm install -g gregorian-calendar

If want to update the gregorian-calendar package execute the command as below,

$ sudo npm update gregorian-calendar

Update package globally,

$ npm install -g gregorian-calendar

Git clone:

$ sudo  git clone https://github.com/rektide/gregorian-calendar.git

$ sudo  npm install -g ./gregorian-calendar

gregorian-calendar@4.1.6 /usr/lib/node_modules/gregorian-calendar

How to remove gregorian-calendar package :

You can uninstall or remove this package from your node_modules run the command as below,

$ sudo npm uninstall gregorian-calendar

Basic Information of gregorian-calendar NPM Package: