Lunar calendars are pretty much showing you what lunar phase you will be experiencing at any time of the month. As strange as it may seem, the moon follows very expected patterns, it's not haphazard by any means. Its movements have been studied for a number of years and experts know its specific position and what phase it will be in at any given time.
But really, who cares about that? The answer then is a lot of people!
Our minds and our emotions have a very close connection to the moon and its location. If you do a little research and discover all the different meanings of things in terms of astrology moon signs, the moons position, and numerology in general, you will be amazed at how much this stuff is connected and just how it all works together.
The truth of the intel you can learn about you through this may be a little scary.
Once you begin to examine yourself and try to find answers about why you are the way you are and why you behave the way you behave, you startto grow as a person. You become more mindful of your identiity and the kinds of things that drive and effect you.
If you are looking for something exciting to try and do, go find a lunar calendar and discover what moon phase you'll be experiencing. When it gets dark out, head somewhere where you will be able tosee the moon clearly, just sit back and observe.
It sounds extremely uninteresting, but if you understand how the moon goes through its phases and the effect is has on your emotions and your mind, it's going to be far more important.