Sidereal Planetary Map

Birth Chart Calculator

Generate a calculation-first chart with exact planetary degrees, whole-sign houses, lunar mansions, divisional context and time-period layers—presented in clear English.

☉ Swiss Ephemeris ♈ Sidereal Zodiac ⌖ Historical Timezone

Open your planetary chart

Enter precise birth details

The Ascendant, house cusps and divisional charts are time-sensitive. Mark an estimated time honestly so the report can flag interpretation limits.

Exact Birth Moment

Date, time and birthplace

The selected city provides coordinates and historical timezone context for the entered date.

Chart Structure

Signs, houses and rulers

Planetary positions remain separate from later interpretation, so the source calculation stays visible.

Timing Context

Major and subperiods

Vimshottari periods show traditional timing emphasis, not guaranteed events.

What a Birth Chart Represents

A birth chart records the calculated positions of the Ascendant, planets, lunar nodes and zodiac signs for a specific birth moment and location. This report uses a sidereal zodiac with Lahiri offset and whole-sign houses for its primary Indian astrology chart.

The 12 houses organise traditional themes such as identity, resources, learning, home, creativity, work, relationships and public responsibility. These are interpretive associations for reflection; they are not scientifically established predictions or guarantees.

Why the Ascendant Matters

The Ascendant is the zodiac sign rising on the eastern horizon at the entered birth time and place. It begins the first house and establishes where every other whole-sign house falls, making its ruler a central part of the chart’s interpretation.

Because the Ascendant moves continuously and sign boundaries are time-sensitive, an exact recorded birth time matters. A small difference can change its degree, the house structure or divisional-chart placements when the birth moment is close to a boundary.

How to Interpret the Report Responsibly

  • Career and responsibility: Read the 10th house together with its ruler, occupying planets, aspects and the current planetary period.
  • Relationships: Read the 7th house, its ruler, relationship significators and D9 context together. No single placement determines a partner or guarantees marriage timing.
  • Pressure patterns: Difficult placements describe traditional areas of effort or maturity; they should not be turned into fear-based promises, diagnoses or fixed outcomes.
  • Separate calculation methods: KP uses its declared Krishnamurti sidereal offset and Placidus cusps, while Lal Kitab uses a fixed-house overlay. Their rules remain separate from the primary whole-sign chart.

Calculator guide

How to use this birth chart calculator

Enter accurate birth details to generate a free online birth chart with sidereal planetary positions, Lagna, Nakshatra and Dasha layers. The chart calculator keeps the astronomical calculation visible before the interpretation.

Calculation conventions, source boundaries and correction handling are documented in the AstroSaki methodology and sources.

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