diff --git a/src/utils.js b/src/utils.js
index 7644e4b..b057bca 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -1,5 +1,8 @@
  
 const dateString = (date) => {
+  if (typeof(date) == "string") {
+    date = new Date(date);
+  }
   const ye = new Intl.DateTimeFormat('en', { year: 'numeric' }).format(date)
   const mo = new Intl.DateTimeFormat('en', { month: '2-digit' }).format(date)
   const da = new Intl.DateTimeFormat('en', { day: '2-digit' }).format(date)