What is a birth chart?

A birth chart (natal chart) maps the position of all planets at your exact time and place of birth. It's the foundation of personal astrology.

What does the Rising sign mean?

Your Rising sign (Ascendant) is the zodiac sign that was rising on the eastern horizon at your birth time. It influences personality and outward appearance.

What do I need to calculate my birth chart?

You need your date of birth, time of birth (as precise as possible), and place of birth. Birth time accuracy matters most for the Ascendant.

Birth Chart Calculator — Sun, Moon & Rising Sign

Formula Definitions

The Birth Chart Calculator — Sun, Moon & Rising Sign works by applying a well-defined formula to the values you enter. Understanding the formula behind the calculation helps you interpret the result and check that your inputs are correct. Below we break down the key components that drive the Birth Chart Calculator.

The core formula used by this calculator is:

Result = f(inputs, settings)

Each variable in the formula has a specific meaning:

inputs — Values entered into the Birth Chart Calculator.
settings — Options, units, or parameters that adjust how the calculation is performed.
Result — Computed output for the chosen inputs and settings.

How to Use This Calculator

Enter the required values. Enter the required values into the Birth Chart Calculator — Sun, Moon & Rising Sign input fields.

Adjust settings. Adjust any settings, select applicable options, or choose units as needed.

Calculate the result. Press Calculate to compute the result using the underlying formula.

Interpret the output. Review and interpret your result using the provided context, reference ranges, or explanatory notes.

Glossary and Definitions

Input

A value entered into the calculator to be processed.

Output

The computed result returned by the calculator for the given inputs.

Setting

An option that adjusts how the calculation is performed, such as unit selection or mode.

Birth chart calculator