luos/gulliver/js/widgets/js-calendar/lang/ca.js

if (typeof Calendar!='undefined' ) {
Calendar.LANG("ca", "Catalan", {
    fdow: 1,                // first day of week for this locale; 0 = Sunday, 1 = Monday, etc.
    goToday: "Anar a Avui",
    today: "Avui",         // appears in bottom bar
    wk: "sem",
    weekend: "0,6",         // 0 = Sunday, 1 = Monday, etc.
    AM: "am",
    PM: "pm",
    mn : [ "gener","febrer","març","abril","maig","juny","juliol","agost","setembre","octubre","novembre","desembre" ],
    smn : [ "gen","feb","mar","abr","mai","jun","jul","ago","set","oct","nov","des" ],
    dn : [ "diumenge","dilluns","dimarts","dimecres","dijous","divendres","dissabte","diumenge" ],
    sdn : [ "dg","dl","dt","dc","dj","dv","ds","dg" ],
    done: "Fet" //Appears in bottom bar
});
}