Helg [hel:j] 
Determine if the current date is on weekend (helg) or not. Made for you @benjick.
Installation
$ npm install --save helg
or globally:
$ npm install -g helg
Usage:
var helg = require('helg');
helg.ere();
$ helg
API
ere(Date)
Date (optional)
Date object to match against. Must be a new instance of Date, e.g: new Date(). If no date is passed, the module will use the current time.