change date format to dd-mm-yyyy

the current date is showing in dd-mm-yyyy format but when i select the pop up showing in mm-dd-yyyy,after selecting also same thing

i want to change that to dd-mm-yyyy

const today = new Date();
    var journeyDate = new Date(),
        returnDate = new Date();

    journeyDate.setDate(today.getDate() );
    returnDate.setDate(today.getDate() );

    $(".journey-date").val(journeyDate.toLocaleDateString());
    $(".return-date").val(returnDate.toLocaleDateString());

    $(".journey-day-name").html(journeyDate.toLocaleString('en-us', { weekday: 'long' }));
    $(".return-day-name").html(returnDate.toLocaleString('en-us', { weekday: 'long' }));

    $(".journey-date").change(function () {
        var ojd = $(this).closest(".search-form-date").find(".journey-date").val();
        const journeyDayName = new Date(ojd).toLocaleString('en-us', { weekday: 'long' });
        $(this).closest(".search-form-date").find(".journey-day-name").html(journeyDayName);
    });

    $(".return-date").change(function () {
        var rd = $(this).closest(".search-form-date").find(".return-date").val();
        const returnDayName = new Date(rd).toLocaleString('en-us', { weekday: 'long' });
        $(this).closest(".search-form-date").find(".return-day-name").html(returnDayName);
    });