Many thanks for the answer.
I try 2 files:
jQuery(function($){
$.datepicker.regional[‘cz’] = {
closeText: ‘Fermer’,
prevText: ‘<Préc’,
nextText: ‘Suiv>’,
currentText: ‘Courant’,
monthNames: [‘Janvier’,’Février’,’Mars’,’Avril’,’Mai’,’Juin’, ‘Juillet’,’Ao?t’,’Septembre’,’Octobre’,’Novembre’,’Décembre’],
monthNamesShort: [‘Jan’,’Fév’,’Mar’,’Avr’,’Mai’,’Jun’, ‘Jul’,’Ao?’,’Sep’,’Oct’,’Nov’,’Déc’],
dayNames: [‘Dimanche’,’Lundi’,’Mardi’,’Mercredi’,’Jeudi’,’Vendredi’,’Samedi’],
dayNamesShort: [‘Dim’,’Lun’,’Mar’,’Mer’,’Jeu’,’Ven’,’Sam’],
dayNamesMin: [‘Di’,’Lu’,’Ma’,’Me’,’Je’,’Ve’,’Sa’],
weekHeader: ‘Sm’,
dateFormat: ‘dd/mm/yy’,
firstDay: 1,
isRTL: false,
showMonthAfterYear: false,
yearSuffix: ”};
$.datepicker.setDefaults($.datepicker.regional[‘cz’]);
});
Files name is cestina-datum.js
https://www.naseduchody.cz/test-kalkulacky.html
I tried too original (from your site with “fr”), but it did not work.
Thank you.