diff --git a/src/main/java/com/brainpix/post/dto/CollaborationHubCreateDto.java b/src/main/java/com/brainpix/post/dto/CollaborationHubCreateDto.java
index 1a565cd5..260cd30f 100644
--- a/src/main/java/com/brainpix/post/dto/CollaborationHubCreateDto.java
+++ b/src/main/java/com/brainpix/post/dto/CollaborationHubCreateDto.java
@@ -3,6 +3,11 @@
 import java.time.LocalDateTime;
 import java.util.List;
 
+import org.springframework.format.annotation.DateTimeFormat;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+
+import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.validation.Valid;
 import jakarta.validation.constraints.Future;
 import jakarta.validation.constraints.NotEmpty;
@@ -18,6 +23,9 @@ public class CollaborationHubCreateDto extends PostDto {
 
 	@Future(message = "마감일은 현재 날짜보다 미래여야 합니다.")
 	@NotNull(message = "마감일은 필수입니다.")
+	@JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd HH:mm")
+	@DateTimeFormat(pattern = "yyyy-MM-dd HH:mm")
+	@Schema(type = "string", description = "마감일 (yyyy-MM-dd HH:mm)", example = "2025-02-10 14:30")
 	private LocalDateTime deadline;
 
 	private String link;
diff --git a/src/main/java/com/brainpix/post/dto/CollaborationHubUpdateDto.java b/src/main/java/com/brainpix/post/dto/CollaborationHubUpdateDto.java
index ddc48d51..66345829 100644
--- a/src/main/java/com/brainpix/post/dto/CollaborationHubUpdateDto.java
+++ b/src/main/java/com/brainpix/post/dto/CollaborationHubUpdateDto.java
@@ -1,24 +1,28 @@
 package com.brainpix.post.dto;
 
 import java.time.LocalDateTime;
-import java.util.List;
 
-import com.brainpix.post.entity.PostAuth;
+import org.springframework.format.annotation.DateTimeFormat;
 
+import com.fasterxml.jackson.annotation.JsonFormat;
+
+import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.validation.constraints.Future;
 import jakarta.validation.constraints.NotNull;
 import lombok.AllArgsConstructor;
-import lombok.Data;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
 @Getter
 @NoArgsConstructor
 @AllArgsConstructor
-public class CollaborationHubUpdateDto extends PostDto{
+public class CollaborationHubUpdateDto extends PostDto {
 
 	@Future(message = "마감일은 현재 날짜보다 미래여야 합니다.")
 	@NotNull(message = "마감일은 필수입니다.")
+	@JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd HH:mm")
+	@DateTimeFormat(pattern = "yyyy-MM-dd HH:mm")
+	@Schema(type = "string", description = "마감일 (yyyy-MM-dd HH:mm)", example = "2025-02-10 14:30")
 	private LocalDateTime deadline;
 
 	private String link;
diff --git a/src/main/java/com/brainpix/post/dto/RequestTaskCreateDto.java b/src/main/java/com/brainpix/post/dto/RequestTaskCreateDto.java
index 9031051f..79be5865 100644
--- a/src/main/java/com/brainpix/post/dto/RequestTaskCreateDto.java
+++ b/src/main/java/com/brainpix/post/dto/RequestTaskCreateDto.java
@@ -3,8 +3,12 @@
 import java.time.LocalDateTime;
 import java.util.List;
 
+import org.springframework.format.annotation.DateTimeFormat;
+
 import com.brainpix.post.entity.request_task.RequestTaskType;
+import com.fasterxml.jackson.annotation.JsonFormat;
 
+import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.validation.Valid;
 import jakarta.validation.constraints.Future;
 import jakarta.validation.constraints.NotEmpty;
@@ -24,6 +28,9 @@ public class RequestTaskCreateDto extends PostDto {
 
 	@Future(message = "마감일은 현재 날짜보다 미래여야 합니다.")
 	@NotNull(message = "마감일은 필수입니다.")
+	@JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd HH:mm")
+	@DateTimeFormat(pattern = "yyyy-MM-dd HH:mm")
+	@Schema(type = "string", description = "마감일 (yyyy-MM-dd HH:mm)", example = "2025-02-10 14:30")
 	private LocalDateTime deadline;
 
 	@NotNull(message = "요청 과제 유형은 필수입니다.")
diff --git a/src/main/java/com/brainpix/post/dto/RequestTaskUpdateDto.java b/src/main/java/com/brainpix/post/dto/RequestTaskUpdateDto.java
index 721a095f..737ef3e1 100644
--- a/src/main/java/com/brainpix/post/dto/RequestTaskUpdateDto.java
+++ b/src/main/java/com/brainpix/post/dto/RequestTaskUpdateDto.java
@@ -1,12 +1,13 @@
 package com.brainpix.post.dto;
 
 import java.time.LocalDateTime;
-import java.util.List;
 
-import com.brainpix.post.entity.PostAuth;
+import org.springframework.format.annotation.DateTimeFormat;
+
 import com.brainpix.post.entity.request_task.RequestTaskType;
-import com.brainpix.profile.entity.Specialization;
+import com.fasterxml.jackson.annotation.JsonFormat;
 
+import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.validation.constraints.Future;
 import jakarta.validation.constraints.NotNull;
 import lombok.AllArgsConstructor;
@@ -20,6 +21,9 @@ public class RequestTaskUpdateDto extends PostDto {
 
 	@Future(message = "마감일은 현재 날짜보다 미래여야 합니다.")
 	@NotNull(message = "마감일은 필수입니다.")
+	@JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd HH:mm")
+	@DateTimeFormat(pattern = "yyyy-MM-dd HH:mm")
+	@Schema(type = "string", description = "마감일 (yyyy-MM-dd HH:mm)", example = "2025-02-10 14:30")
 	private LocalDateTime deadline;
 
 	@NotNull(message = "요청 과제 유형은 필수입니다.")