There are two methods to draw a Trimsamsa (D30) Chart. We discuss the method of Parashara.
What is the Trimsamsa, and how to draw a Trimsamsa Chart?
Trimsamsa means the one-thirtieth portion of a sign measuring one degree. Unlike other divisions, the Sun and Moon are not the Lords of any trimsamsa and the Nodes (Rahu & Ketu) also do not owm any trimsamsa. Thus the remaining five of Mars, Mercury, Jupiter, Venus and Saturn own the trimsamsa.