diff --git a/utils/Day.ts b/utils/Day.ts
index 801a383..b20248e 100644
--- a/utils/Day.ts
+++ b/utils/Day.ts
@@ -1,7 +1,10 @@
 import Day from 'dayjs'
 import 'dayjs/locale/ko'
 import relativeTime from 'dayjs/plugin/relativeTime'
+import localizedFormat from 'dayjs/plugin/localizedFormat'
+
 Day.extend(relativeTime)
+Day.extend(localizedFormat)
 Day.locale('ko')
 
 export default Day