Discover the foundational elements of your astrological profile by entering your birth details. Your natal chart is a snapshot of the sky at the exact moment and location of your birth, revealing planetary positions that astrologers interpret to understand personality, potential, and life path.
Please Note: This calculator provides a simplified, illustrative overview of key natal chart placements. Accurate astrological calculations require precise astronomical data (ephemeris) and complex algorithms to determine planetary positions and house cusps based on geographical coordinates and time zones. This tool offers a basic demonstration of how such information is derived and presented, focusing on common elements like Sun, Moon, and Rising signs. For a professional and detailed natal chart analysis, consult a qualified astrologer or specialized software.
Understanding Your Natal Chart
Your natal chart is a unique cosmic blueprint. Here are some of the key components this calculator illustrates:
Sun Sign: Represents your core identity, ego, and conscious self. It's often what people refer to when they ask "What's your sign?"
Moon Sign: Governs your emotions, instincts, subconscious, and inner world. It reveals how you nurture and seek comfort.
Rising Sign (Ascendant): This is the zodiac sign that was rising on the eastern horizon at the moment of your birth. It represents your outer personality, how others perceive you, and your initial approach to the world.
Planetary Placements: Each planet (Mercury, Venus, Mars, Jupiter, Saturn, etc.) represents different facets of your personality and life. Their placement in specific zodiac signs and houses provides deeper insights.
Houses: The natal chart is divided into 12 houses, each corresponding to different areas of life (e.g., self, finances, communication, home, relationships). Planets within these houses indicate where their energies are most expressed.
While this calculator offers a glimpse, a full astrological reading considers the complex interplay of all these elements, including aspects (angles between planets), to paint a comprehensive picture.
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function getSunSign(birthDateStr) {
var dateParts = birthDateStr.split('-');
if (dateParts.length !== 3) return "Unknown";
var month = parseInt(dateParts[1], 10);
var day = parseInt(dateParts[2], 10);
if (isNaN(month) || isNaN(day)) return "Unknown";
if ((month === 3 && day >= 21) || (month === 4 && day = 20) || (month === 5 && day = 21) || (month === 6 && day = 21) || (month === 7 && day = 23) || (month === 8 && day = 23) || (month === 9 && day = 23) || (month === 10 && day = 23) || (month === 11 && day = 22) || (month === 12 && day = 22) || (month === 1 && day = 20) || (month === 2 && day = 19) || (month === 3 && day = 0 && hour = 2 && hour = 4 && hour = 6 && hour = 8 && hour = 10 && hour = 12 && hour = 14 && hour = 16 && hour = 18 && hour = 20 && hour = 22 && hour < 24) return "Pisces";
return "Unknown";
}
// This function provides a *demonstrative* planetary placement based on birth month.
// In real astrology, planetary positions are complex and require ephemeris data.
function getDemonstrativePlanetPlacement(birthDateStr, planetName) {
var dateParts = birthDateStr.split('-');
if (dateParts.length !== 3) return "Unknown";
var month = parseInt(dateParts[1], 10);
if (isNaN(month)) return "Unknown";
var signs = ["Aries", "Taurus", "Gemini", "Cancer", "Leo", "Virgo", "Libra", "Scorpio", "Sagittarius", "Capricorn", "Aquarius", "Pisces"];
var houseNumbers = ["1st House", "2nd House", "3rd House", "4th House", "5th House", "6th House", "7th House", "8th House", "9th House", "10th House", "11th House", "12th House"];
var signIndex = (month + planetName.length) % 12; // Simple hash-like logic
var houseIndex = (month + planetName.charCodeAt(0)) % 12; // Simple hash-like logic
return signs[signIndex] + " in " + houseNumbers[houseIndex];
}
function calculateNatalChart() {
var birthDate = document.getElementById('birthDate').value;
var birthTime = document.getElementById('birthTime').value;
var birthCity = document.getElementById('birthCity').value;
var birthStateCountry = document.getElementById('birthStateCountry').value;
var resultDiv = document.getElementById('result');
if (!birthDate || !birthTime || !birthCity || !birthStateCountry) {
resultDiv.innerHTML = "Please fill in all birth details to calculate your chart.";
return;
}
// Basic validation for date and time format
if (!/^\d{4}-\d{2}-\d{2}$/.test(birthDate)) {
resultDiv.innerHTML = "Invalid Birth Date format. Please use YYYY-MM-DD.";
return;
}
if (!/^\d{2}:\d{2}$/.test(birthTime)) {
resultDiv.innerHTML = "Invalid Birth Time format. Please use HH:MM (24-hour).";
return;
}
var sunSign = getSunSign(birthDate);
var moonSign = getDemonstrativeMoonSign(birthDate);
var risingSign = getDemonstrativeRisingSign(birthTime);
var mercuryPlacement = getDemonstrativePlanetPlacement(birthDate, "Mercury");
var venusPlacement = getDemonstrativePlanetPlacement(birthDate, "Venus");
var marsPlacement = getDemonstrativePlanetPlacement(birthDate, "Mars");
var jupiterPlacement = getDemonstrativePlanetPlacement(birthDate, "Jupiter");
var saturnPlacement = getDemonstrativePlanetPlacement(birthDate, "Saturn");
var output = "
Your Illustrative Natal Chart Overview:
";
output += "Birth Details: " + birthDate + " at " + birthTime + " in " + birthCity + ", " + birthStateCountry + "";
output += "Sun Sign: " + sunSign + "";
output += "Moon Sign: " + moonSign + " (Illustrative – actual Moon sign requires precise calculation)";
output += "Rising Sign (Ascendant): " + risingSign + " (Illustrative – actual Rising sign requires precise calculation)";
output += "Mercury: " + mercuryPlacement + " (Illustrative)";
output += "Venus: " + venusPlacement + " (Illustrative)";
output += "Mars: " + marsPlacement + " (Illustrative)";
output += "Jupiter: " + jupiterPlacement + " (Illustrative)";
output += "Saturn: " + saturnPlacement + " (Illustrative)";
output += "Note: For a truly accurate natal chart, specialized astrological software or a professional astrologer is recommended, as precise planetary and house calculations are complex.";
resultDiv.innerHTML = output;
}