diff --git a/src/main/java/com/kamco/cd/kamcoback/label/dto/WorkerStatsDto.java b/src/main/java/com/kamco/cd/kamcoback/label/dto/WorkerStatsDto.java
index 9d03e89e..e7a3e035 100644
--- a/src/main/java/com/kamco/cd/kamcoback/label/dto/WorkerStatsDto.java
+++ b/src/main/java/com/kamco/cd/kamcoback/label/dto/WorkerStatsDto.java
@@ -1,6 +1,8 @@
 package com.kamco.cd.kamcoback.label.dto;
 
+import com.kamco.cd.kamcoback.common.utils.interfaces.JsonFormatDttm;
 import io.swagger.v3.oas.annotations.media.Schema;
+import java.time.ZonedDateTime;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Getter;
@@ -21,13 +23,15 @@ public class WorkerStatsDto {
     private String detectionYear;
 
     @Schema(description = "회차 (예: 8)")
-    private String round;
+    private String stage;
 
     @Schema(description = "국유인 반영일 (예: 2026-03-31)")
-    private String reflectionDate;
+    @JsonFormatDttm
+    private ZonedDateTime gukyuinApplyDttm;
 
     @Schema(description = "작업 시작일 (예: 2026-04-06)")
-    private String startDate;
+    @JsonFormatDttm
+    private ZonedDateTime startDttm;
 
     @Schema(description = "프로젝트 UUID")
     private String uuid;
diff --git a/src/main/java/com/kamco/cd/kamcoback/postgres/repository/label/LabelAllocateRepositoryImpl.java b/src/main/java/com/kamco/cd/kamcoback/postgres/repository/label/LabelAllocateRepositoryImpl.java
index c7c7d737..fa94a7b5 100644
--- a/src/main/java/com/kamco/cd/kamcoback/postgres/repository/label/LabelAllocateRepositoryImpl.java
+++ b/src/main/java/com/kamco/cd/kamcoback/postgres/repository/label/LabelAllocateRepositoryImpl.java
@@ -37,7 +37,6 @@ import java.time.LocalDate;
 import java.time.LocalTime;
 import java.time.ZoneId;
 import java.time.ZonedDateTime;
-import java.time.format.DateTimeFormatter;
 import java.util.List;
 import java.util.Objects;
 import java.util.UUID;
@@ -676,9 +675,9 @@ public class LabelAllocateRepositoryImpl implements LabelAllocateRepositoryCusto
 
     return ProjectInfo.builder()
         .detectionYear(detectionYear)
-        .round(round)
-        .reflectionDate(formatDate(gukyuinApplyDttm))
-        .startDate(formatDate(createdDttm))
+        .stage(round)
+        .gukyuinApplyDttm(gukyuinApplyDttm)
+        .startDttm(createdDttm)
         .uuid(uuid != null ? uuid.toString() : null)
         .build();
   }
@@ -723,21 +722,13 @@ public class LabelAllocateRepositoryImpl implements LabelAllocateRepositoryCusto
 
     return ProjectInfo.builder()
         .detectionYear(detectionYear)
-        .round(round)
-        .reflectionDate(formatDate(gukyuinApplyDttm))
-        .startDate(formatDate(createdDttm))
+        .stage(round)
+        .gukyuinApplyDttm(gukyuinApplyDttm)
+        .startDttm(createdDttm)
         .uuid(uuid != null ? uuid.toString() : null)
         .build();
   }
 
-  /** ZonedDateTime을 "yyyy-MM-dd" 형식으로 변환 */
-  private String formatDate(ZonedDateTime dateTime) {
-    if (dateTime == null) {
-      return null;
-    }
-    return dateTime.format(DateTimeFormatter.ofPattern("yyyy-MM-dd"));
-  }
-
   @Override
   public Page<LabelingStatDto> findLabelerDailyStat(
       LabelAllocateDto.searchReq searchReq, String uuid, String userId) {