https://www.thecornubiainn.co.uk/scripts/jquery-ui-localization/datepicker-en-GB.js

1/* English/UK initialisation for the jQuery UI date picker plugin. */
2(function( factory ) {
3	if ( typeof define === "function" && define.amd ) {
4
5		// AMD. Register as an anonymous module.
6		define([ "../datepicker" ], factory );
7	} else {
8
9		// Browser globals
10		factory( jQuery.datepicker );
11	}
12}(function( datepicker ) {
13
14datepicker.regional['en-GB'] = {
15	closeText: 'Done',
16	prevText: 'Prev',
17	nextText: 'Next',
18	currentText: 'Today',
19	monthNames: ['January','February','March','April','May','June',
20	'July','August','September','October','November','December'],
21	monthNamesShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
22	'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
23	dayNames: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
24	dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
25	dayNamesMin: ['Su','Mo','Tu','We','Th','Fr','Sa'],
26	weekHeader: 'Wk',
27	dateFormat: 'dd/mm/yy',
28	firstDay: 1,
29	isRTL: false,
30	showMonthAfterYear: false,
31	yearSuffix: ''};
32datepicker.setDefaults(datepicker.regional['en-GB']);
33
34return datepicker.regional['en-GB'];
35
36}));