diff --git a/jungmyunggi/Convert Date to Binary.js b/jungmyunggi/Convert Date to Binary.js
new file mode 100644
index 0000000..6e9ba6e
--- /dev/null
+++ b/jungmyunggi/Convert Date to Binary.js	
@@ -0,0 +1,20 @@
+/**
+ * @param {string} date
+ * @return {string}
+ */
+
+function convertBinary(num){
+    const stack = [];
+    while(num > 0){
+        stack.push(num%2);
+        num = Math.floor(num/2);
+    }
+    return stack.reverse().join("");
+}
+var convertDateToBinary = function(date) {
+    const [year, month, day] = date.split("-");
+    const y = convertBinary(Number(year))   
+    const m = convertBinary(Number(month))
+    const d = convertBinary(Number(day));
+    return `${y}-${m}-${d}`
+};