diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/live/reservation/GetLiveReservationResponse.kt b/src/main/kotlin/kr/co/vividnext/sodalive/live/reservation/GetLiveReservationResponse.kt
index 65627d14..fad4d3cd 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/live/reservation/GetLiveReservationResponse.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/live/reservation/GetLiveReservationResponse.kt
@@ -8,5 +8,6 @@ data class GetLiveReservationResponse(
     val price: Int,
     val masterNickname: String,
     val beginDateTime: String,
+    val beginDateTimeUtc: String,
     val cancelable: Boolean
 )
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/live/reservation/LiveReservationService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/live/reservation/LiveReservationService.kt
index 2e80924c..0e8e3b42 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/live/reservation/LiveReservationService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/live/reservation/LiveReservationService.kt
@@ -122,6 +122,9 @@ class LiveReservationService(
                     beginDateTime = beginDateTime.format(
                         DateTimeFormatter.ofPattern(detailDateFormat)
                     ),
+                    beginDateTimeUtc = it.room!!.beginDateTime
+                        .atZone(ZoneId.of("UTC"))
+                        .format(DateTimeFormatter.ISO_LOCAL_DATE_TIME),
                     cancelable = beginDateTime.minusHours(4).isAfter(
                         LocalDateTime.now()
                             .atZone(ZoneId.of("UTC"))
@@ -158,6 +161,9 @@ class LiveReservationService(
             beginDateTime = beginDateTime.format(
                 DateTimeFormatter.ofPattern(detailDateFormat)
             ),
+            beginDateTimeUtc = reservation.room!!.beginDateTime
+                .atZone(ZoneId.of("UTC"))
+                .format(DateTimeFormatter.ISO_LOCAL_DATE_TIME),
             cancelable = beginDateTime.minusHours(4).isAfter(
                 LocalDateTime.now()
                     .atZone(ZoneId.of("UTC"))