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..922e7e35 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 +448,13 @@ 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 beginDateTimeUtc = room.beginDateTime
+            .format(DateTimeFormatter.ISO_LOCAL_DATE_TIME)
 
         val response = GetRoomDetailResponse(
             roomId = roomId,
@@ -472,6 +466,7 @@ class LiveRoomService(
             numberOfParticipants = 0,
             channelName = room.channelName,
             beginDateTime = beginDateTime,
+            beginDateTimeUtc = beginDateTimeUtc,
             isPaid = false,
             isAdult = room.isAdult,
             isPrivateRoom = room.type == LiveRoomType.PRIVATE,
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/live/room/detail/GetRoomDetailResponse.kt b/src/main/kotlin/kr/co/vividnext/sodalive/live/room/detail/GetRoomDetailResponse.kt
index d3ca6377..1ca4ba46 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/live/room/detail/GetRoomDetailResponse.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/live/room/detail/GetRoomDetailResponse.kt
@@ -15,6 +15,7 @@ data class GetRoomDetailResponse(
     val tags: List<String>,
     val channelName: String?,
     val beginDateTime: String,
+    val beginDateTimeUtc: String,
     var numberOfParticipants: Int,
     val numberOfParticipantsTotal: Int
 ) {