diff --git a/packages/frontend/core/src/utils/intl-formatter.ts b/packages/frontend/core/src/utils/intl-formatter.ts
index b0ebae97e6..d25de98a78 100644
--- a/packages/frontend/core/src/utils/intl-formatter.ts
+++ b/packages/frontend/core/src/utils/intl-formatter.ts
@@ -1,3 +1,5 @@
+import dayjs from 'dayjs';
+
 const timeFormatter = new Intl.DateTimeFormat(undefined, {
   timeStyle: 'short',
 });
@@ -9,9 +11,9 @@ const dateFormatter = new Intl.DateTimeFormat(undefined, {
 });
 
 export const timestampToLocalTime = (ts: string | number) => {
-  return timeFormatter.format(new Date(ts));
+  return timeFormatter.format(dayjs(ts).toDate());
 };
 
 export const timestampToLocalDate = (ts: string | number) => {
-  return dateFormatter.format(new Date(ts));
+  return dateFormatter.format(dayjs(ts).toDate());
 };