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Your Chinese Astrology Birth Chart will appear here.
Understanding Your Chinese Astrology Birth Chart
The Chinese Astrology Birth Chart, often referred to as the Bazi (八字) or Four Pillars of Destiny, is a complex and insightful system derived from a person's exact time of birth. It's based on the lunisolar Chinese calendar, which uses a system of Heavenly Stems (天干, Tiangan) and Earthly Branches (地支, Dizhi). Each year, month, day, and hour is represented by a unique combination of one Stem and one Branch. These four pairs form the "Four Pillars," providing a detailed blueprint of an individual's potential, strengths, challenges, and life path.
The Components: Heavenly Stems and Earthly Branches
There are 10 Heavenly Stems and 12 Earthly Branches. The Stems are associated with the five elements (Wood, Fire, Earth, Metal, Water) in their Yin and Yang forms. The Branches are also associated with the five elements, and each Branch corresponds to one of the 12 Chinese Zodiac animals: Rat, Ox, Tiger, Rabbit, Dragon, Snake, Horse, Goat, Monkey, Rooster, Dog, and Pig.
Heavenly Stems (10): Jia (甲), Yi (乙), Bing (丙), Ding (丁), Wu (戊), Ji (己), Geng (庚), Xin (辛), Ren (壬), Gui (癸). Each is linked to a Yin/Yang and one of the Five Elements.
Earthly Branches (12): Zi (子 – Rat), Chou (丑 – Ox), Yin (寅 – Tiger), Mao (卯 – Rabbit), Chen (辰 – Dragon), Si (巳 – Snake), Wu (午 – Horse), Wei (未 – Goat), Shen (申 – Monkey), You (酉 – Rooster), Xu (戌 – Dog), Hai (亥 – Pig). Each is linked to an animal, an element, and a time of day.
Calculating Your Four Pillars
To generate a Chinese Astrology Birth Chart, we need the exact Gregorian date and time of birth. The calculator converts this into the corresponding Chinese lunisolar calendar date and time.
Year Pillar: Determined by the Chinese year of birth. Each Chinese year is represented by a Stem-Branch combination. The start of the Chinese New Year (Spring Festival) typically falls between late January and mid-February, so a person born in January or early February might belong to the previous Chinese year.
Month Pillar: Determined by the Chinese solar month. Each month begins with a specific Stem-Branch combination that starts on the solar term 'Lichun' (Beginning of Spring) around February 4th.
Day Pillar: This is considered the most crucial pillar, representing the self. It's determined by a day-ruler algorithm based on the Gregorian date, taking into account the lunisolar calendar.
Hour Pillar: Determined by the 2-hour period of the day corresponding to the birth hour, assigned a specific Stem-Branch combination.
Interpreting the Birth Chart
Once the Four Pillars (Year, Month, Day, Hour) are determined, they are analyzed based on:
The Five Elements: The balance and interaction of the five elements (Wood, Fire, Earth, Metal, Water) within the chart.
Yin and Yang: The distribution of Yin and Yang energies.
The 12 Animals: The characteristics associated with the animals in each pillar.
Interactions: The relationships between the Stems and Branches (e.g., clashes, combinations, punishments, harms) can indicate potential challenges or harmonious periods.
The Birth Chart offers insights into personality traits, relationships, career potential, health predispositions, and favorable or challenging periods throughout life. It is a tool for self-awareness and understanding life's dynamics, not a deterministic prediction.
Disclaimer: This calculator provides a basic generation of the Four Pillars based on standard algorithms. A comprehensive interpretation requires advanced knowledge of Bazi principles and often involves consulting with a professional astrologer.
// This is a simplified representation. Actual Chinese Astrology calculations,
// especially for month/day pillars and handling leap years/time zones accurately,
// are complex and require extensive lookup tables or sophisticated algorithms.
// This script provides a placeholder for demonstrating the calculator's front-end.
function calculateChineseZodiacAnimal(year) {
var animals = ["Monkey", "Rooster", "Dog", "Pig", "Rat", "Ox", "Tiger", "Rabbit", "Dragon", "Snake", "Horse", "Goat"];
return animals[(year – 4) % 12];
}
function getStemBranch(year, month, day, hour) {
// Simplified calculation – real Bazi requires complex lookup tables based on the lunisolar calendar.
// This is a placeholder and will not be accurate for many dates/times.
var stemIndex = (year – 4) % 10;
var branchIndex = (year – 4) % 12;
var stems = ["Jia (Wood)", "Yi (Wood)", "Bing (Fire)", "Ding (Fire)", "Wu (Earth)", "Ji (Earth)", "Geng (Metal)", "Xin (Metal)", "Ren (Water)", "Gui (Water)"];
var branches = ["Rat", "Ox", "Tiger", "Rabbit", "Dragon", "Snake", "Horse", "Goat", "Monkey", "Rooster", "Dog", "Pig"];
var yearPillar = stems[stemIndex] + "/" + branches[branchIndex];
// Placeholder for Month, Day, Hour Pillars – these are significantly more complex to calculate accurately.
var monthPillar = "Month Pillar (Placeholder)";
var dayPillar = "Day Pillar (Placeholder)";
var hourPillar = "Hour Pillar (Placeholder)";
return {
year: yearPillar,
month: monthPillar,
day: dayPillar,
hour: hourPillar,
animal: calculateChineseZodiacAnimal(year)
};
}
function generateBirthChart() {
var year = parseInt(document.getElementById("birthYear").value);
var month = parseInt(document.getElementById("birthMonth").value);
var day = parseInt(document.getElementById("birthDay").value);
var hour = parseInt(document.getElementById("birthHour").value);
var minute = parseInt(document.getElementById("birthMinute").value);
var resultDiv = document.getElementById("result");
// Basic input validation
if (isNaN(year) || year new Date().getFullYear()) {
resultDiv.textContent = "Please enter a valid birth year.";
return;
}
if (isNaN(month) || month 12) {
resultDiv.textContent = "Please enter a valid birth month.";
return;
}
if (isNaN(day) || day 31) { // Basic day validation, not month-specific
resultDiv.textContent = "Please enter a valid birth day.";
return;
}
if (isNaN(hour) || hour 23) {
resultDiv.textContent = "Please enter a valid birth hour (0-23).";
return;
}
if (isNaN(minute) || minute 59) {
resultDiv.textContent = "Please enter valid birth minutes (0-59).";
return;
}
// IMPORTANT: The getStemBranch function below is a highly simplified placeholder.
// Accurate calculation of Chinese Astrology Four Pillars involves complex lunisolar
// calendar conversions, time zone considerations, and specific algorithms for
// determining the start of Chinese New Year and solar terms, which significantly
// affect the month and day pillars. A real-world implementation would require
// extensive libraries or data tables.
var pillars = getStemBranch(year, month, day, hour);
var output = "Your Four Pillars of Destiny:";
output += "Year Pillar: " + pillars.year + "";
output += "Month Pillar: " + pillars.month + "";
output += "Day Pillar: " + pillars.day + "";
output += "Hour Pillar: " + pillars.hour + "";
output += "Your Chinese Zodiac Animal (Yearly Animal): " + pillars.animal;
resultDiv.innerHTML = output;
}