static/ext/src/picker/Time.js
function() {
        var me = this,
            min = me.normalizeDate(me.minValue || me.absMin),
            max = me.normalizeDate(me.maxValue || me.absMax);

        me.rangeFilter.setFilterFn(function(record) {
            var date = record.get('date');
            return date >= min && date <= max;
        });
        me.store.filter();
    }
function() {
        var me = this,
            min = me.normalizeDate(me.minValue || me.absMin),
            max = me.normalizeDate(me.maxValue || me.absMax);

        me.rangeFilter.setFilterFn(function(record) {
            var date = record.get('date');
            return date >= min && date <= max;
        });
        me.store.filter();
    }
Update the list of available times in the list to be constrained within the {@link #minValue}
and {@link #maxValue}.