https://euskaljakintza.com/gaurkohitza/wp-content/themes/p2/js/wp-locale.js?ver=20130819

1if (typeof wp == 'undefined') wp = {};
2wp.locale = function( translations ) {
3	this.date = function(format, date) {
4		if ('undefined' == typeof date) date = new Date();
5		var returnStr = '';
6		var replace = this.replaceChars;
7		var backslashCount = 0;
8		for (var i = 0; i < format.length; i++) {
9			var curChar = format.charAt(i);
10			if (curChar == '\\') {
11				backslashCount++;
12				if (2 == backslashCount) {
13					returnStr += '\\';
14					backslashCount = 0;
15				}
16				continue;
17			}
18
19			if (replace[curChar] && 0 == backslashCount) {
20				returnStr += replace[curChar].call(date);
21			} else {
22				returnStr += curChar;
23			}
24
25			if (curChar != '\\') backslashCount = 0;
26		}
27		return returnStr;
28	};
29
30	this.parseISO8601 =  function(iso8601){
31		var regexp = /(\d\d\d\d)(-)?(\d\d)(-)?(\d\d)(T)?(\d\d)(:)?(\d\d)(:)?(\d\d)(\.\d+)?(Z|([+-])(\d\d)(:)?(\d\d))/;
32
33		var matches = iso8601.match(new RegExp(regexp));
34		if (!matches) return null;
35		var offset = 0;
36
37		var date = new Date();
38
39		date.setUTCDate(1);
40		date.setUTCFullYear(parseInt(matches[1],10));
41		date.setUTCMonth(parseInt(matches[3],10) - 1);
42		date.setUTCDate(parseInt(matches[5],10));
43		date.setUTCHours(parseInt(matches[7],10));
44		date.setUTCMinutes(parseInt(matches[9],10));
45		date.setUTCSeconds(parseInt(matches[11],10));
46		if (matches[12])
47			date.setUTCMilliseconds(parseFloat(matches[12]) * 1000);
48		if (matches[13] != 'Z') {
49			offset = (matches[15] * 60) + parseInt(matches[17],10);
50			offset *= ((matches[14] == '-') ? -1 : 1);
51			date.setTime(date.getTime() - offset * 60 * 1000);
52		}
53		return date;
54	};
55
56	var key;
57	for ( key in translations ) {
58		this[ key ] = translations[ key ];
59	}
60
61	shortMonths = this.monthabbrev;
62	longMonths = this.month;
63	shortDays = this.weekdayabbrev;
64	longDays = this.weekday;
65
66	this.replaceChars = {
67
68		// Day
69		d: function() { return (this.getDate() < 10 ? '0' : '') + this.getDate(); },
70		D: function() { return shortDays[this.getDay()]; },
71		j: function() { return this.getDate(); },
72		l: function() { return longDays[this.getDay()]; },
73		N: function() { return this.getDay() + 1; },
74		S: function() { return (this.getDate() % 10 == 1 && this.getDate() != 11 ? 'st' : (this.getDate() % 10 == 2 && this.getDate() != 12 ? 'nd' : (this.getDate() % 10 == 3 && this.getDate() != 13 ? 'rd' : 'th'))); },
75		w: function() { return this.getDay(); },
76		z: function() { return "Not Yet Supported"; },
77		// Week
78		W: function() { return "Not Yet Supported"; },
79		// Month
80		F: function() { return longMonths[this.getMonth()]; },
81		m: function() { return (this.getMonth() < 9 ? '0' : '') + (this.getMonth() + 1); },
82		M: function() { return shortMonths[this.getMonth()]; },
83		n: function() { return this.getMonth() + 1; },
84		t: function() { return "Not Yet Supported"; },
85		// Year
86		L: function() { return "Not Yet Supported"; },
87		o: function() { return "Not Supported"; },
88		Y: function() { return this.getFullYear(); },
89		y: function() { return ('' + this.getFullYear()).substr(2); },
90		// Time
91		a: function() { return this.getHours() < 12 ? 'am' : 'pm'; },
92		A: function() { return this.getHours() < 12 ? 'AM' : 'PM'; },
93		B: function() { return "Not Yet Supported"; },
94		g: function() { return this.getHours() % 12 || 12; },
95		G: function() { return this.getHours(); },
96		h: function() { return ((this.getHours() % 12 || 12) < 10 ? '0' : '') + (this.getHours() % 12 || 12); },
97		H: function() { return (this.getHours() < 10 ? '0' : '') + this.getHours(); },
98		i: function() { return (this.getMinutes() < 10 ? '0' : '') + this.getMinutes(); },
99		s: function() { return (this.getSeconds() < 10 ? '0' : '') + this.getSeconds(); },
100		// Timezone
101		e: function() { return "Not Yet Supported"; },
102		I: function() { return "Not Supported"; },
103		O: function() { return (this.getTimezoneOffset() < 0 ? '-' : '+') + (this.getTimezoneOffset() / 60 < 10 ? '0' : '') + (this.getTimezoneOffset() / 60) + '00'; },
104		T: function() { return "Not Yet Supported"; },
105		Z: function() { return this.getTimezoneOffset() * 60; },
106		// Full Date/Time
107		c: function() { return "Not Yet Supported"; },
108		r: function() { return this.toString(); },
109		U: function() { return this.getTime() / 1000; }
110	};
111};