First thing what you need to do when you are managing your time, is to do a list with all the tasks you have to do. It will be great if you do that list for tomorrow tasks.
Now when you have that list, you must divide tasks into two categories:
The first category is for the most important tasks, that you definitely must do tomorrow and the second category is for tasks that will be done if there is enough time for them. When you are making a plan for the day remember that most of the tasks will take longer than you think and you will need time to relax after some of the tasks.
With the start of the day, you must concentrate on the important tasks and when you finish all of then, if there is enough time, continue with tasks from the second part of the list.
Another very important thing in time management is to stop losing time with stupid things like TV, Facebook and surfing the web, but that doesn’t mean you can’t relax. If you need a break to sit down and take it, just doesn’t lose hours in doing nothing.
Now go and do your list with tasks.