Educational library

Learn the chart

A calculation-first reference library for signs, houses, grahas, nakshatras, and the methods behind a D1 chart.

Sidereal signs

Fixed 30° spans and the difference between a sign and a house.

How the ascendant establishes house numbers and traditional study topics.

What is calculated for each displayed body, including mean Rahu and Ketu.

The exact 27-part structure, four padas, and traditional lord sequence.

Read our articles on birth time, ayanamsa, chart structure, and the boundary between scripts and AI.