A simple date handler that does the job while we don't need something complex as Moment.js

sitef-date.js

/*=====================================================
*
*	Sitef Date : A javascript library that handles dates in a way that fits Sitef's needs
*	(c) Luiz Augusto Crisostomo 2014
*
======================================================*/


function SitefDate(date) {

	/*	_ Object Constructor
	========================*/

	if (window === this) {
		return new SitefDate();
	}

	if (date != undefined) {
		if (typeof(date) === 'number') {
			this.date = new Date(date);
		} else if (date instanceof Date) {
			this.date = date;
		} else if (typeof date === 'string') {
			this.date = new Date(stringToDate(date));
		} else {
			throw 'You MUST use a Date object, a number or a ISO date string as parameter of the constructor';
		}
	} else {
		this.date = new Date();
	}

	this.about = {
		version: '1.0.1',
		author: 'Luiz Augusto',
		created: 'June 2014',
		updated: '26 June 2014',
		company: 'Inform Sistemas Ltda.'
	};

	/* _ Prototype Functions
	============================*/

	this.getDateString = function() {
		return zeroInFrontOf(self.date.getDate()) + '/' + zeroInFrontOf(self.date.getMonth() + 1) + '/' + this.date.getFullYear();
	};

	this.getTimeString = function() {
		return zeroInFrontOf(this.date.getHours()) + ':' + zeroInFrontOf(this.date.getMinutes());
	};

	this.getISODate = function() {
		return this.date.getFullYear() + '-' + zeroInFrontOf(this.date.getMonth() + 1) + '-' + zeroInFrontOf(this.date.getDate());
	};

	/* _ Helper Functions
	============================*/

	var self = this;

	function zeroInFrontOf(param) {
		if (param < 10) {
			return '0' + param;
		}
		return param;
	}

	function stringToDate(string) {
		var slices = string.split('/');
		return new Date(slices[2], slices[1]-1, slices[0]);
	}
}