diff --git a/Gameton-06/Assets/Gameton/Scripts/Monster/MonsterSpawner.cs b/Gameton-06/Assets/Gameton/Scripts/Monster/MonsterSpawner.cs
index 8ecc5d9d..5fb0f444 100644
--- a/Gameton-06/Assets/Gameton/Scripts/Monster/MonsterSpawner.cs
+++ b/Gameton-06/Assets/Gameton/Scripts/Monster/MonsterSpawner.cs
@@ -25,6 +25,8 @@ namespace TON
         private float nextWaveDelay = 5f; // 다음 웨이브 시작 전 대기 시간
         private bool isWaitingForNextWave = false;
         
+        public bool isTimerRunning = false; // 타이머 실행 여부
+        
         [System.Serializable]
         public class WaveData
         {
@@ -58,6 +60,7 @@ namespace TON
         
         private IEnumerator StartGameWithDelay()
         {
+            isTimerRunning = true; // 타이머 시작
             // 초기 카운트다운 표시
             float timer = initialDelay;
             while (timer > 0)
@@ -74,7 +77,8 @@ namespace TON
             {
                 waveCounter.text = null;
             }
-        
+            
+            isTimerRunning = false; // 타이머 종료
             gameStarted = true;
             StartNextWave();
         }
@@ -284,6 +288,8 @@ namespace TON
         
         private IEnumerator StartNextWaveWithDelay()
         {
+            isTimerRunning = true; // 타이머 시작
+            
             // 웨이브가 10이면 (즉, 10스테이지가 끝났으면) 또는 웨이브가 11이면 게임 종료 UI를 바로 보여줌
             if (currentWave == 10 || currentWave == 11 || GameObject.Find("TON.Player").GetComponentInChildren<CharacterBase>() == null)
             {
@@ -301,7 +307,8 @@ namespace TON
                     timer -= Time.deltaTime;
                     yield return null;
                 }
-
+                
+                isTimerRunning = false; // 타이머 종료
                 waveCounter.text = null;
 
                 isWaitingForNextWave = false;
diff --git a/Gameton-06/Assets/Gameton/Scripts/UI/IngameUI.cs b/Gameton-06/Assets/Gameton/Scripts/UI/IngameUI.cs
index cad53c4a..005a1a57 100644
--- a/Gameton-06/Assets/Gameton/Scripts/UI/IngameUI.cs
+++ b/Gameton-06/Assets/Gameton/Scripts/UI/IngameUI.cs
@@ -17,11 +17,12 @@ namespace TON
         public TextMeshProUGUI waveText;
         public TextMeshProUGUI playTimeText;
         public TextMeshProUGUI scoreText;
-
+        
         // 플레이 시간 노출하게 하는 변수
         private int lastMinutes = -1;
         private int lastSeconds = -1;
         private string cachedTimeString = "00:00";
+        private MonsterSpawner  _monsterSpawner;
 
         private string playerType;
 
@@ -39,6 +40,7 @@ namespace TON
                 character.OnSPChanged += UpdateSPBar;
             }
 
+            _monsterSpawner = GameObject.FindObjectOfType<MonsterSpawner>();
             // UI가 활성화될 때 저장된 값들로 업데이트
             RefreshUI();
         }
@@ -56,8 +58,9 @@ namespace TON
         private void Update()
         {
             waveText.text = $"WAVE {StageManager.Singleton.waveCount + 1}";
-
+            
             UpdatePlayTimeDisplay();
+
             UpdateGameScore();
         }
 
@@ -68,18 +71,21 @@ namespace TON
 
         private void UpdatePlayTimeDisplay()
         {
-            float playTime = StageManager.Singleton.PlayTime;
-
-            int minutes = Mathf.FloorToInt(playTime / 60f);
-            int seconds = Mathf.FloorToInt(playTime % 60f);
-
-            // 시간이 변경된 경우에만 문자열 생성
-            if (minutes != lastMinutes || seconds != lastSeconds)
+            if (_monsterSpawner != null && !_monsterSpawner.isTimerRunning)
             {
-                lastMinutes = minutes;
-                lastSeconds = seconds;
-                cachedTimeString = $"time {minutes:00}:{seconds:00}";
-                playTimeText.text = cachedTimeString;
+                float playTime = StageManager.Singleton.PlayTime - ((StageManager.Singleton.waveCount + 1) * 5);
+
+                int minutes = Mathf.FloorToInt(playTime / 60f);
+                int seconds = Mathf.FloorToInt(playTime % 60f);
+
+                // 시간이 변경된 경우에만 문자열 생성
+                if (minutes != lastMinutes || seconds != lastSeconds)
+                {
+                    lastMinutes = minutes;
+                    lastSeconds = seconds;
+                    cachedTimeString = $"time {minutes:00}:{seconds:00}";
+                    playTimeText.text = cachedTimeString;
+                }
             }
         }