[1.8.x] Refs #24980 -- Fixed incorrect timezone handling in admin calendar widget.

        if (inp.value) {

            var format = get_format('DATE_INPUT_FORMATS')[0];

            var selected = inp.value.strptime(format);

            var year = selected.getFullYear();

            var month = selected.getMonth() + 1;

            var year = selected.getUTCFullYear();

            var month = selected.getUTCMonth() + 1;

            var re = /\d{4}/

            if (re.test(year.toString()) && month >= 1 && month <= 12) {

                DateTimeShortcuts.calendars[num].drawDate(month, year, selected);