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Zodiac Birth Chart Calculator

Estimate Sun, Moon, Rising, and Midheaven signs from birth data.

Last validated: Pending

Zodiac Birth Chart Calculator estimates core tropical chart markers from birth date, local birth time, and place. It returns Sun sign, Moon sign, Ascendant (rising sign), and Midheaven sign, plus the corresponding ecliptic longitudes. This is useful when you need a fast astrology-oriented profile on one page, for example in lifestyle products, user personalization experiments, or educational content. The tool includes city presets and manual latitude/longitude overrides to improve rising-sign calculations when place lookup is ambiguous. Results are approximate and should not be treated as a full professional ephemeris chart.

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Input Pattern

Enter values in the left panel, keep units explicit, run the calculation, then copy or share the result. Invalid fields are highlighted immediately.

Birth Inputs

Enter date, local birth time, and place. For best rising-sign accuracy, provide latitude and longitude if your city is not in presets.

Presets: New york, Us, Los angeles, Us, Chicago, Us, London, Uk, Berlin, De, Paris, Fr, and more.

Chart Summary

Sun sign

Capricorn

281.0304°

Moon sign

Pisces

336.0737°

Rising sign (Ascendant)

Libra

200.6587°

Midheaven

Capricorn

281.1050°

Local birth time used: 1990-01-01 12:00 EST

UTC reference: 1990-01-01 17:00 UTC

Coordinates: 40.7128, -74.0060

This is an approximate tropical calculation intended for quick orientation, not a full professional ephemeris chart.

How to use this tool

  1. Enter birth date and local birth time in HH:MM format.
  2. Enter place (for preset matching) and confirm the timezone used for that birth location.
  3. If needed, provide latitude and longitude manually to override preset coordinates.
  4. Run the calculator and review Sun, Moon, Rising, and Midheaven outputs with their longitude values.
  5. Use the result as a quick summary and verify with a professional ephemeris when precision is critical.

Worked Example

Auto-generated from the tool's current default or entered inputs.

Example Inputs

  • Birth time: 12:00
  • Place: New York, US
  • Timezone: America/New_York
  • Latitude: 40.7128
  • Longitude: -74.006
  • Local time: 1990-01-01 12:00 EST
  • Utc time: 1990-01-01 17:00 UTC
  • Sun longitude: 281.0303795297773

Expected Outputs

  • Latitude: 40.7128
  • Longitude: -74.006
  • Sun longitude: 281.03038
  • Moon longitude: 336.07373

Interpretation

Scenario Compare (A vs B)

Use this to compare two input sets and quantify change in key outputs.

Scenario A

Scenario B

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