diff --git a/src/components/NeoFetch.tsx b/src/components/NeoFetch.tsx
index 1d4764b..7bce4d3 100644
--- a/src/components/NeoFetch.tsx
+++ b/src/components/NeoFetch.tsx
@@ -25,28 +25,17 @@ export default function NeoFetch() {
             {(() => {
               const startDate = new Date("2010-11-08T03:00:00+09:00");
               const now = new Date();
-              
-              let diff = now - startDate;
-              
-              // 밀리초를 단순 나눗셈으로 안 하고 실제 날짜 차이로 계산
-              const start = new Date(startDate);
-              let years = now.getFullYear() - start.getFullYear();
-              
-              start.setFullYear(start.getFullYear() + years);
-              if (start > now) {
-                years--;
-                start.setFullYear(start.getFullYear() - 1);
-              }
-              
-              let days = Math.floor((now - start) / (1000 * 60 * 60 * 24));
-              start.setDate(start.getDate() + days);
-              
-              let hours = Math.floor((now - start) / (1000 * 60 * 60));
-              start.setHours(start.getHours() + hours);
-              
-              let mins = Math.floor((now - start) / (1000 * 60));
-              
-              console.log(`${years} years, ${days} days, ${hours} hours, ${mins} mins`);
+              let diff = now.getTime() - startDate.getTime();
+
+              const years = Math.floor(diff / (1000 * 60 * 60 * 24 * 365));
+              diff %= 1000 * 60 * 60 * 24 * 365;
+              const days = Math.floor(diff / (1000 * 60 * 60 * 24));
+              diff %= 1000 * 60 * 60 * 24;
+              const hours = Math.floor(diff / (1000 * 60 * 60));
+              diff %= 1000 * 60 * 60;
+              const mins = Math.floor(diff / (1000 * 60));
+
+              return `${years} years, ${days} days, ${hours} hours, ${mins} mins`;
             })()}
           </p>