diff --git a/src/main/kotlin/org/meogo/domain/post/service/QueryAllPostService.kt b/src/main/kotlin/org/meogo/domain/post/service/QueryAllPostService.kt
index 2dd5f57..85412c0 100644
--- a/src/main/kotlin/org/meogo/domain/post/service/QueryAllPostService.kt
+++ b/src/main/kotlin/org/meogo/domain/post/service/QueryAllPostService.kt
@@ -30,5 +30,5 @@ class QueryAllPostService(
     }
 
     private fun format(date: LocalDateTime) =
-        date.format(DateTimeFormatter.ofPattern("MM.dd HH:mm"))
+        date.format(DateTimeFormatter.ofPattern("yy.MM.dd HH:mm"))
 }
diff --git a/src/main/kotlin/org/meogo/domain/review/service/QueryAllBySchoolIdService.kt b/src/main/kotlin/org/meogo/domain/review/service/QueryAllBySchoolIdService.kt
index e1dcb67..8472c08 100644
--- a/src/main/kotlin/org/meogo/domain/review/service/QueryAllBySchoolIdService.kt
+++ b/src/main/kotlin/org/meogo/domain/review/service/QueryAllBySchoolIdService.kt
@@ -32,5 +32,5 @@ class QueryAllBySchoolIdService(
     }
 
     private fun format(date: LocalDateTime) =
-        date.format(DateTimeFormatter.ofPattern("MM.dd HH:mm"))
+        date.format(DateTimeFormatter.ofPattern("yy.MM.dd HH:mm"))
 }