From 2f8331f2ff07e82769a31eb08b4d6bf6fa69b3a6 Mon Sep 17 00:00:00 2001
From: Yu Sung <hwchon1234@gmail.com>
Date: Mon, 5 Jan 2026 11:36:26 +0900
Subject: [PATCH] =?UTF-8?q?=EB=9D=BC=EC=9D=B4=EB=B8=8C=20=EC=8B=9C?=
 =?UTF-8?q?=EC=9E=91=EC=8B=9C=EA=B0=84=20UTC=20=EC=A0=81=EC=9A=A9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

라이브 상세와 수정 화면에서 UTC 기준 시간을 표시한다.
날짜 표기는 OS 언어 설정의 기본 포맷을 사용한다.
---
 .../Sources/Extensions/DateExtension.swift    | 10 ++++++++++
 .../Sources/Extensions/StringExtension.swift  |  8 ++++++++
 .../Room/Detail/GetRoomDetailResponse.swift   |  1 +
 .../Live/Room/Detail/LiveDetailView.swift     |  3 ++-
 .../Room/Edit/LiveRoomEditViewModel.swift     | 19 +++++++++++++------
 5 files changed, 34 insertions(+), 7 deletions(-)

diff --git a/SodaLive/Sources/Extensions/DateExtension.swift b/SodaLive/Sources/Extensions/DateExtension.swift
index daa26c0..613c37c 100644
--- a/SodaLive/Sources/Extensions/DateExtension.swift
+++ b/SodaLive/Sources/Extensions/DateExtension.swift
@@ -15,6 +15,16 @@ extension Date {
         return formatter.string(from: self)
     }
     
+    func localizedDateTimeString(dateStyle: DateFormatter.Style = .medium,
+                                 timeStyle: DateFormatter.Style = .short) -> String {
+        let formatter = DateFormatter()
+        formatter.dateStyle = dateStyle
+        formatter.timeStyle = timeStyle
+        formatter.locale = Locale.autoupdatingCurrent
+        formatter.timeZone = TimeZone.current
+        return formatter.string(from: self)
+    }
+    
     func currentTimeMillis() -> Int64 {
         return Int64(self.timeIntervalSince1970 * 1000)
     }
diff --git a/SodaLive/Sources/Extensions/StringExtension.swift b/SodaLive/Sources/Extensions/StringExtension.swift
index b1229f4..dc5773a 100644
--- a/SodaLive/Sources/Extensions/StringExtension.swift
+++ b/SodaLive/Sources/Extensions/StringExtension.swift
@@ -95,4 +95,12 @@ extension String {
             "time": time
         ]
     }
+    
+    func parseUtcIsoDate() -> Date? {
+        let formatter = DateFormatter()
+        formatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ss"
+        formatter.locale = Locale(identifier: "en_US_POSIX")
+        formatter.timeZone = TimeZone(secondsFromGMT: 0)
+        return formatter.date(from: self)
+    }
 }
diff --git a/SodaLive/Sources/Live/Room/Detail/GetRoomDetailResponse.swift b/SodaLive/Sources/Live/Room/Detail/GetRoomDetailResponse.swift
index 72ec5c1..fc8889e 100644
--- a/SodaLive/Sources/Live/Room/Detail/GetRoomDetailResponse.swift
+++ b/SodaLive/Sources/Live/Room/Detail/GetRoomDetailResponse.swift
@@ -19,6 +19,7 @@ struct GetRoomDetailResponse: Decodable {
     let tags: [String]
     let channelName: String?
     let beginDateTime: String
+    let beginDateTimeUtc: String
     let numberOfParticipants: Int
     let numberOfParticipantsTotal: Int
     let manager: GetRoomDetailManager
diff --git a/SodaLive/Sources/Live/Room/Detail/LiveDetailView.swift b/SodaLive/Sources/Live/Room/Detail/LiveDetailView.swift
index 6d0fd63..56a97c4 100644
--- a/SodaLive/Sources/Live/Room/Detail/LiveDetailView.swift
+++ b/SodaLive/Sources/Live/Room/Detail/LiveDetailView.swift
@@ -94,7 +94,8 @@ struct LiveDetailView: View {
                                         .padding(.top, 6.7)
                                         
                                         HStack(spacing: 0) {
-                                            Text(room.beginDateTime.convertDateFormat(from: "yyyy.MM.dd EEE hh:mm a", to: "yyyy년 MM월 dd일 (E) a hh시 mm분", locale: Locale(identifier: "en_US_POSIX")))
+                                            let beginDateText = room.beginDateTimeUtc.parseUtcIsoDate()?.localizedDateTimeString() ?? room.beginDateTime
+                                            Text(beginDateText)
                                                 .font(.custom(Font.medium.rawValue, size: 12))
                                                 .foregroundColor(Color(hex: "bbbbbb"))
                                             
diff --git a/SodaLive/Sources/Live/Room/Edit/LiveRoomEditViewModel.swift b/SodaLive/Sources/Live/Room/Edit/LiveRoomEditViewModel.swift
index f92f7ff..7c823ed 100644
--- a/SodaLive/Sources/Live/Room/Edit/LiveRoomEditViewModel.swift
+++ b/SodaLive/Sources/Live/Room/Edit/LiveRoomEditViewModel.swift
@@ -52,12 +52,19 @@ final class LiveRoomEditViewModel: ObservableObject {
             notice = room!.notice
             numberOfPeople = String(room!.numberOfParticipantsTotal)
             
-            let fromFormatter = DateFormatter()
-            fromFormatter.dateFormat = "yyyy.MM.dd EEE hh:mm a"
-            fromFormatter.locale = Locale(identifier: "en_US_POSIX")
-            
-            reservationDate = fromFormatter.date(from: room!.beginDateTime)!
-            reservationTime = fromFormatter.date(from: room!.beginDateTime)!
+            if let beginDate = room!.beginDateTimeUtc.parseUtcIsoDate() {
+                reservationDate = beginDate
+                reservationTime = beginDate
+            } else {
+                let fromFormatter = DateFormatter()
+                fromFormatter.dateFormat = "yyyy.MM.dd EEE hh:mm a"
+                fromFormatter.locale = Locale(identifier: "en_US_POSIX")
+                
+                if let legacyDate = fromFormatter.date(from: room!.beginDateTime) {
+                    reservationDate = legacyDate
+                    reservationTime = legacyDate
+                }
+            }
             
             let beginDate = reservationDate.convertDateFormat(dateFormat: "yyyy-MM-dd")
             let beginTime = reservationTime.convertDateFormat(dateFormat: "HH:mm")