Select Month
January
February
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April
May
June
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August
September
October
November
December
// Populate Time Zone Offset dropdown
var timeZoneSelect = document.getElementById('timeZoneOffset');
for (var i = -12; i = 0 ? '+' : ") + i;
if (i === 0) { // Default to UTC+0
option.selected = true;
}
timeZoneSelect.appendChild(option);
}
function calculateMoonSign() {
var birthMonth = parseInt(document.getElementById('birthMonth').value);
var birthDay = parseInt(document.getElementById('birthDay').value);
var birthYear = parseInt(document.getElementById('birthYear').value);
var birthHour = parseInt(document.getElementById('birthHour').value);
var birthMinute = parseInt(document.getElementById('birthMinute').value);
var timeZoneOffset = parseInt(document.getElementById('timeZoneOffset').value);
// Input validation
if (isNaN(birthMonth) || birthMonth 12) {
document.getElementById('moonSignResult').innerHTML = 'Please select a valid Birth Month.';
return;
}
if (isNaN(birthDay) || birthDay 31) {
document.getElementById('moonSignResult').innerHTML = 'Please enter a valid Birth Day (1-31).';
return;
}
if (isNaN(birthYear) || birthYear 2100) {
document.getElementById('moonSignResult').innerHTML = 'Please enter a valid Birth Year (1900-2100).';
return;
}
if (isNaN(birthHour) || birthHour 23) {
document.getElementById('moonSignResult').innerHTML = 'Please enter a valid Birth Hour (0-23).';
return;
}
if (isNaN(birthMinute) || birthMinute 59) {
document.getElementById('moonSignResult').innerHTML = 'Please enter a valid Birth Minute (0-59).';
return;
}
if (isNaN(timeZoneOffset)) {
document.getElementById('moonSignResult').innerHTML = 'Please select a valid Time Zone Offset.';
return;
}
// Create a Date object for the birth time in local time
var localBirthDate = new Date(birthYear, birthMonth – 1, birthDay, birthHour, birthMinute);
// Convert local birth time to UTC milliseconds using the provided offset
// localTime – offset = UTC time
var birthTimeMillisUTC = localBirthDate.getTime() – (timeZoneOffset * 60 * 60 * 1000);
var birthDateUTC = new Date(birthTimeMillisUTC);
// Reference date: Jan 1, 2000, 00:00 UTC.
// For this simplified model, we assume the Moon was at 0 degrees Aries at this exact moment.
var referenceDateUTC = new Date(Date.UTC(2000, 0, 1, 0, 0));
// Calculate the difference in milliseconds
var diffMillis = birthDateUTC.getTime() – referenceDateUTC.getTime();
// Convert milliseconds to days
var totalDays = diffMillis / (1000 * 60 * 60 * 24);
// Average duration of the Moon in one sign (approx. sidereal month / 12 signs)
// Using 2.276 days per sign for a cyclical approximation
var daysPerSign = 2.276;
// Calculate the sign index
var signIndex = Math.floor(totalDays / daysPerSign);
// Ensure the index is within 0-11 and positive
signIndex = (signIndex % 12 + 12) % 12;
var zodiacSigns = ["Aries", "Taurus", "Gemini", "Cancer", "Leo", "Virgo", "Libra", "Scorpio", "Sagittarius", "Capricorn", "Aquarius", "Pisces"];
var moonSign = zodiacSigns[signIndex];
document.getElementById('moonSignResult').innerHTML = 'Your Moon Sign is: ' + moonSign + '';
}
.calculator-container {
background-color: #f9f9f9;
border: 1px solid #ddd;
padding: 20px;
border-radius: 8px;
max-width: 600px;
margin: 20px auto;
font-family: Arial, sans-serif;
}
.calculator-container h2 {
text-align: center;
color: #333;
margin-bottom: 20px;
}
.form-group {
margin-bottom: 15px;
display: flex;
flex-direction: column;
}
.form-group label {
margin-bottom: 5px;
font-weight: bold;
color: #555;
}
.form-group input[type="number"],
.form-group select {
padding: 10px;
border: 1px solid #ccc;
border-radius: 4px;
font-size: 16px;
width: 100%;
box-sizing: border-box; /* Ensure padding doesn't increase width */
}
button {
background-color: #007bff;
color: white;
padding: 12px 20px;
border: none;
border-radius: 5px;
cursor: pointer;
font-size: 18px;
width: 100%;
box-sizing: border-box;
transition: background-color 0.3s ease;
}
button:hover {
background-color: #0056b3;
}
.result {
margin-top: 20px;
padding: 15px;
border: 1px solid #d4edda;
background-color: #d4edda;
color: #155724;
border-radius: 5px;
text-align: center;
font-size: 1.1em;
font-weight: bold;
}
.result strong {
color: #000;
}
Understanding Your Moon Sign
In astrology, your Moon Sign represents your emotional nature, your inner self, and your instinctive reactions. While your Sun Sign (the zodiac sign you typically know based on your birth date) describes your core personality and ego, your Moon Sign delves into your subconscious, your habits, and how you feel secure and nurtured. It reveals your emotional needs and how you express them.
The Moon moves much faster than the Sun, changing signs approximately every 2.5 days. This rapid movement means that even people born on the same day might have different Moon Signs if they were born at different times or in different locations. This is why knowing your precise birth time and location is crucial for an accurate astrological chart reading.
How to Use the Moon Sign Calculator
To find your Moon Sign, simply enter your birth details into the calculator above:
Birth Month, Day, and Year: Enter the exact date you were born.
Birth Hour (24h) and Minute: Provide your precise birth time. This is critical as the Moon changes signs frequently. Use a 24-hour format (e.g., 1 PM is 13, 5 AM is 5).
Time Zone Offset from UTC: Select the time zone offset of your birth location from Coordinated Universal Time (UTC). For example, if you were born in New York during standard time, you would select UTC-5. If you were born in London, you would select UTC+0. If you're unsure, you can often find this information by searching for "time zone offset [your birth city]" or by looking at historical time zone data for your birth year.
Once you've entered all the details, click "Calculate Moon Sign" to discover your emotional zodiac placement.
Example Calculation
Let's say someone was born on January 10, 2000, at 12:00 PM (noon) in a location with a UTC+0 time zone offset.
Birth Month: January (1)
Birth Day: 10
Birth Year: 2000
Birth Hour: 12
Birth Minute: 0
Time Zone Offset: UTC+0
Entering these values into the calculator would yield their Moon Sign. According to our simplified model, this would result in a Moon Sign of Leo, indicating a strong, expressive, and perhaps dramatic emotional core.
Understanding your Moon Sign can provide valuable insights into your emotional responses, your comfort zones, and what truly nurtures your soul.