Skip to content
Astral Atlas
Wiki concept · Indian astrology

Dvadasamsa

Also called Dvādaśāṃśa · Dvadashamsha · Dwadashamsha · D12

The D12 Jyotish chart, derived from 12 portions of each zodiac sign under a declared rule.

In this entry

Word origin · etymology

Sanskrit numerical compound: dvādaśāṃśa.

Dvādaśa means twelve; aṃśa means a portion. The name designates a twelfth part, also recorded in the dictionary’s zodiac vocabulary.

Monier-Williams Sanskrit-English Dictionary: dvādaśan; dvādaśa; dvādaśāṃsa (University of Hyderabad) ↗Monier-Williams Sanskrit-English Dictionary: aṃśa (University of Hyderabad) ↗

How we know · epistemology

Twelfth-part mapping convention

The arithmetic can locate a graha in a twelfth-part division. A family interpretation remains a symbolic reading; it cannot independently establish facts about parents, inheritance or ancestry.

Bṛhat Parāśara Horā Śāstra, chapter 6: divisional definitions ↗

Explore it in your atlas

Connected concepts

Read alongside this entry

Terms used in this explanation

These links connect subjects and terminology. They do not establish a shared historical origin.

Sources & provenance

Use the citations beside each section to distinguish a calculation convention, a historical teaching and an editorial example.

Find these sources across the wiki →

  1. Bṛhat Parāśara Horā Śāstra, Sanskrit chapter 6.2–4: sixteen names (printed p. 68) ↗
  2. Bṛhat Parāśara Horā Śāstra, chapter 6: divisional definitions ↗
  3. Monier-Williams Sanskrit-English Dictionary: dvādaśan; dvādaśa; dvādaśāṃsa (University of Hyderabad) ↗
  4. Monier-Williams Sanskrit-English Dictionary: aṃśa (University of Hyderabad) ↗