$ sudo npm install strftime
$ sudo npm install -g strftime

If want to update the strftime package execute the command as below,

$ sudo npm update strftime

Update package globally,

$ npm install -g strftime

Git clone:

$ sudo  git clone https://github.com/rektide/strftime.git

$ sudo  npm install -g ./strftime

strftime@0.10.0 /usr/lib/node_modules/strftime

How to remove strftime package :

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

$ sudo npm uninstall strftime

Basic Information of strftime NPM Package: