diff --git a/quartz/components/Date.tsx b/quartz/components/Date.tsx
index 8713cfd3..63a0e1fa 100644
--- a/quartz/components/Date.tsx
+++ b/quartz/components/Date.tsx
@@ -17,9 +17,9 @@ export function getDate(cfg: GlobalConfiguration, data: QuartzPluginData): Date
 }
 
 export function formatDate(d: Date): string {
-  return d.toLocaleDateString("en-US", {
+  return d.toLocaleDateString("ja-JP", {
     year: "numeric",
-    month: "short",
+    month: "2-digit",
     day: "2-digit",
   })
 }