diff --git a/weather-service/src/main/java/com/waither/weatherservice/controller/WeatherTestController.java b/weather-service/src/main/java/com/waither/weatherservice/controller/WeatherTestController.java
index 9aaa43e9..4a92c8ef 100644
--- a/weather-service/src/main/java/com/waither/weatherservice/controller/WeatherTestController.java
+++ b/weather-service/src/main/java/com/waither/weatherservice/controller/WeatherTestController.java
@@ -2,7 +2,9 @@
 
 import java.io.IOException;
 import java.net.URISyntaxException;
+import java.time.LocalDateTime;
 
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -15,7 +17,9 @@
 import com.waither.weatherservice.service.WeatherService;
 
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 
+@Slf4j
 @RequiredArgsConstructor
 @RestController
 @RequestMapping("/api/v1/weather-test")
@@ -47,4 +51,12 @@ public void airKoreaTest(@RequestBody AirTestRequest request) throws URISyntaxEx
 	public void accuweatherTest(@RequestBody AccuweatherTestRequest request) throws URISyntaxException, IOException {
 		weatherService.convertLocation(request.latitude(), request.longitude());
 	}
+
+	@GetMapping("/converㅅ")
+	public LocalDateTime convertTest() {
+
+		LocalDateTime specificDateTime = LocalDateTime.of(2024, 7, 5, 23, 0);
+		log.info("Changed : {}", specificDateTime);
+		return weatherService.convertLocalDateTimeToDailyWeatherTime(specificDateTime);
+	}
 }
diff --git a/weather-service/src/main/java/com/waither/weatherservice/service/WeatherService.java b/weather-service/src/main/java/com/waither/weatherservice/service/WeatherService.java
index f8b75b5f..1252f9e5 100644
--- a/weather-service/src/main/java/com/waither/weatherservice/service/WeatherService.java
+++ b/weather-service/src/main/java/com/waither/weatherservice/service/WeatherService.java
@@ -173,7 +173,7 @@ public MainWeatherResponse getMainWeather(double latitude, double longitude) {
 
 		String expectedWeatherKey = regionName + "_" + convertLocalDateTimeToString(now);
 
-		LocalDateTime dailyWeatherBaseTime = convertLocalDateTimeToDailyWeatherTime(now);
+		LocalDateTime dailyWeatherBaseTime = convertLocalDateTimeToDailyWeatherTime(now.minusHours(1));
 
 		String dailyWeatherKey = regionName + "_" + convertLocalDateTimeToString(dailyWeatherBaseTime);
 
@@ -219,14 +219,15 @@ public String convertLocalDateTimeToString(LocalDateTime time) {
 	public LocalDateTime convertLocalDateTimeToDailyWeatherTime(LocalDateTime time) {
 
 		// DailyWeather 정보는 3시간마다
-		List<Integer> scheduledHours = Arrays.asList(2, 5, 8, 11, 14, 17, 20, 23);
+		List<Integer> scheduledHours = Arrays.asList(0, 3, 6, 9, 12, 15, 18, 21);
 
 		int currentHour = time.getHour();
 		int adjustedHour = scheduledHours.stream()
 			.filter(hour -> hour <= currentHour)
 			.reduce((first, second) -> second)
-			.orElse(23);
+			.orElse(scheduledHours.get(scheduledHours.size() - 1)); // 이전 날의 마지막 스케줄 시간(21시) 반환
 
+		// 현재 시간이 첫 스케줄 시간(0시)보다 작을 경우, 전날의 마지막 스케줄 시간으로 설정
 		if (currentHour < scheduledHours.get(0)) {
 			time = time.minusDays(1);
 		}