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);