Wise Time Management

How to plan your day and use every minute to achieve maximum in your business day? It is a real problem for me to plan my day in such a way that I will waste no minute. I try to plan my every day, I often make Must Do lists. But still, I often feel that time is running out and I haven’t finished this or that. I always feel short of time. Time management is my big problem. I’ve read some articles on wise time management, but they didn’t help me. Time is still running out and I have so many things to do....