    Vue.filter('rwtime', function(dateString) {
        let date = moment(dateString, 'h:mma' , true);
        if(!date.isValid()){
            date = moment(dateString, 'HH:mm' , true);
            if(!date.isValid()){
                return null;
            }
        }
        return date.format("YYYY-MM-DD HH:mm:ss");

    });