diff --git a/src/app/page.tsx b/src/app/page.tsx
index 685bd02..6e7fa59 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -63,7 +63,7 @@ export default function Home() {
   useEffect(() => {
     setCurrDate(new Date().toJSON());
     setDate30DaysAgo(
-      new Date(new Date().setDate(new Date().getDay() - 30)).toJSON()
+      new Date(new Date().setDate(new Date().getDate() - 30)).toJSON()
     );
   }, []);