diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/live/room/LiveRoomService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/live/room/LiveRoomService.kt
index 1e3b98ae..9bb9f972 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/live/room/LiveRoomService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/live/room/LiveRoomService.kt
@@ -70,6 +70,7 @@ import java.time.LocalDateTime
 import java.time.ZoneId
 import java.time.format.DateTimeFormatter
 import java.util.Date
+import java.util.Locale
 import java.util.concurrent.locks.ReentrantReadWriteLock
 import kotlin.concurrent.write
 
@@ -181,16 +182,13 @@ class LiveRoomService(
                         }
                     }
 
-                val beginDateTimeFormat = messageSource
-                    .getMessage("live.room.datetime_format", langContext.lang)
-                    .orEmpty()
                 val beginDateTime = it.beginDateTime
                     .atZone(ZoneId.of("UTC"))
                     .withZoneSameInstant(ZoneId.of(timezone))
                     .format(
                         DateTimeFormatter
-                            .ofPattern(beginDateTimeFormat)
-                            .withLocale(langContext.lang.locale)
+                            .ofPattern("yyyy년 MM월 dd일 (E) a hh시 mm분")
+                            .withLocale(Locale.KOREAN)
                     )
 
                 val beginDateTimeUtc = it.beginDateTime
@@ -450,17 +448,10 @@ class LiveRoomService(
             throw SodaException(messageKey = "live.room.adult_verification_required")
         }
 
-        val detailDateTimeFormat = messageSource
-            .getMessage("live.room.datetime_format_detail", langContext.lang)
-            .orEmpty()
         val beginDateTime = room.beginDateTime
             .atZone(ZoneId.of("UTC"))
             .withZoneSameInstant(ZoneId.of(timezone))
-            .format(
-                DateTimeFormatter
-                    .ofPattern(detailDateTimeFormat)
-                    .withLocale(langContext.lang.locale)
-            )
+            .format(DateTimeFormatter.ofPattern("yyyy.MM.dd E hh:mm a"))
 
         val response = GetRoomDetailResponse(
             roomId = roomId,