Understanding time cycles is the key to everything in this world. Everything is driven by time cycles. Our lives are controlled and dominated by time cycles. Knowing time cycles allows us to plan accordingly. For example, we know when to plant and when to harvest. Understanding time cycles means you understand when is the right time and when is the wrong time for something.
People have been trying to understand time for a very long time. The Mayans were obsessed with time, and you probably heard of the Mayan Calendar. If you are interested in learning more, I recommend the following books by Carl Johan Calleman listed below. By the way, my Blog's name, The Purposeful Investor, is inspired by Calleman's book, The Purposeful Universe.