You can set action(s) to run during a time range, for example send an automatic reply during lunch time, or print to a different printer when you are out of office,... 
It is very easy with the advanced scheduler for the group of actions. Please follow these steps:

1. Create a new group of actions:

2. Add the action(s) you want then click on bottom link: 

3. Set the hour you want this group of actions runs.

That's all, very simple.