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+# Get Age in Years, Months, Days  
+
+This snippet calculates the difference between two dates in **years, months, and days**.  
+A common use case is to calculate a person’s age from their birthdate or determine elapsed time between two date fields.  
+
+---
+
+## 🔹 Inputs  
+- `startDate` – Earlier date (e.g., Birthdate) as a `GlideDateTime`.  
+- `endDate` – Later date (e.g., Today) as a `GlideDateTime`.  
+
+---
+
+## 🔹 Output  
+Returns an object in the format:  
+
+```json
+{
+  "years": <number>,
+  "months": <number>,
+  "days": <number>
+}
diff --git a/Server-Side Components/Server Side/calculate difference between two dates in years, months, and days/script.js b/Server-Side Components/Server Side/calculate difference between two dates in years, months, and days/script.js
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+/**
+ * Get the age difference between two dates in years, months, and days.
+ * 
+ * @param {GlideDateTime} startDate - The earlier date (e.g., birthdate).
+ * @param {GlideDateTime} endDate   - The later date (e.g., today).
+ * @returns {Object} { years: number, months: number, days: number }
+ */
+function getAgeYMD(startDate, endDate) {
+
+    var start = new GlideDateTime(startDate);
+    var end = new GlideDateTime(endDate);
+
+    // Extract components
+    var sYear = parseInt(start.getYearUTC(), 10);
+    var sMonth = parseInt(start.getMonthUTC(), 10);
+    var sDay = parseInt(start.getDayOfMonthUTC(), 10);
+
+    var eYear = parseInt(end.getYearUTC(), 10);
+    var eMonth = parseInt(end.getMonthUTC(), 10);
+    var eDay = parseInt(end.getDayOfMonthUTC(), 10);
+
+    var years = eYear - sYear;
+    var months = eMonth - sMonth;
+    var days = eDay - sDay;
+
+    // Adjust if negative
+    if (days < 0) {
+        months--;
+        var temp = new GlideDateTime(end);
+        temp.addMonthsUTC(-1);
+        days += temp.getDaysInMonthUTC();
+    }
+
+    if (months < 0) {
+        years--;
+        months += 12;
+    }
+
+    return {
+        years: years,
+        months: months,
+        days: days
+    };
+}
+
+// Example usage:
+// var birthdate = new GlideDateTime("1997-06-19 00:00:00");
+// var today = new GlideDateTime(); // current date
+// var age = getAgeYMD(birthdate, today);
+// gs.info("Age: " + age.years + " years, " + age.months + " months, " + age.days + " days");
+// Output
+// Age: 28 years, 3 months, 14 days