# Hiding Time Units in X-Axis of View

The library provides the possibility to hide unnecessary time units in the horizontal scale of a view. You can use this possibility, for example, to display only working days and hide weekends. 

## Technique

Generally, to hide a time unit in the scale of a view (an hour in the Timeline view, a day in the Week view etc.) you need to use the **ignore_(viewName)** method.
The method is a function that takes the unit's date as a parameter. To hide a unit - return *true* for it.


For example, to hide weekends from the Month view you should use the method as in:

~~~js
// 0 refers to Sunday, 6 - to Saturday
scheduler.ignore_month = function(date){
    if (date.getDay() == 6 || date.getDay() == 0) //hides Saturdays and Sundays
        return true;
};
~~~

![hiding_time_units](/img/hiding_time_units.png)


[Hiding week days in the scale of Month view](https://docs.dhtmlx.com/scheduler/samples/11_scales/01_month_ignore.html)


## Displaying a marker at the place of hidden scale units

To highlight the place where you hide scale units, use the [addMarkedTimespan](api/method/addmarkedtimespan.md) method. For example, in the Timeline view we preserve hours from 10:00 till 18:00 and hide the remaining ones.
To highlight the place of omitted hours, we will use a marker of 40-minute duration: 20 minute in each of bordering cells.


~~~html
.yellow_section {
    background-color: #ffa749;
    opacity: 0.25;
}
~~~

~~~js
scheduler.addMarkedTimespan({
    days: "fullweek",
    zones:[9.5*60, 20.5*60],
    invert_zones:true,
    css: "yellow_section"
});
~~~


![highlighting_hidden_hours](/img/highlighting_hidden_hours.png)


[Displaying a marker at the place of hidden scale units](https://docs.dhtmlx.com/scheduler/samples/11_scales/07_timeline_hours_marker.html)