diff --git a/frontend/src/lib/post/adapter/gateway/postInfoResponseDto.ts b/frontend/src/lib/post/adapter/gateway/postInfoResponseDto.ts
index 91737ff..861244b 100644
--- a/frontend/src/lib/post/adapter/gateway/postInfoResponseDto.ts
+++ b/frontend/src/lib/post/adapter/gateway/postInfoResponseDto.ts
@@ -8,7 +8,7 @@ export const PostInfoResponseSchema = z.object({
 	description: z.string(),
 	preview_image_url: z.url(),
 	labels: z.array(LabelResponseSchema),
-	published_time: z.iso.datetime({ offset: true })
+	published_time: z.iso.datetime({ offset: true }).nullable()
 });
 
 export class PostInfoResponseDto {
@@ -17,7 +17,7 @@ export class PostInfoResponseDto {
 	readonly description: string;
 	readonly previewImageUrl: URL;
 	readonly labels: readonly LabelResponseDto[];
-	readonly publishedTime: Date;
+	readonly publishedTime: Date | null;
 
 	private constructor(props: {
 		id: number;
@@ -25,7 +25,7 @@ export class PostInfoResponseDto {
 		description: string;
 		previewImageUrl: URL;
 		labels: LabelResponseDto[];
-		publishedTime: Date;
+		publishedTime: Date | null;
 	}) {
 		this.id = props.id;
 		this.title = props.title;
@@ -37,13 +37,19 @@ export class PostInfoResponseDto {
 
 	static fromJson(json: unknown): PostInfoResponseDto {
 		const parsedJson = PostInfoResponseSchema.parse(json);
+
+		let published_time: Date | null = null;
+		if (parsedJson.published_time !== null) {
+			published_time = new Date(parsedJson.published_time);
+		}
+
 		return new PostInfoResponseDto({
 			id: parsedJson.id,
 			title: parsedJson.title,
 			description: parsedJson.description,
 			previewImageUrl: new URL(parsedJson.preview_image_url),
 			labels: parsedJson.labels.map((label) => LabelResponseDto.fromJson(label)),
-			publishedTime: new Date(parsedJson.published_time)
+			publishedTime: published_time
 		});
 	}
 
diff --git a/frontend/src/lib/post/adapter/presenter/postInfoViewModel.ts b/frontend/src/lib/post/adapter/presenter/postInfoViewModel.ts
index 670acb7..7fcfcbd 100644
--- a/frontend/src/lib/post/adapter/presenter/postInfoViewModel.ts
+++ b/frontend/src/lib/post/adapter/presenter/postInfoViewModel.ts
@@ -10,7 +10,7 @@ export class PostInfoViewModel {
 	readonly description: string;
 	readonly previewImageUrl: URL;
 	readonly labels: readonly LabelViewModel[];
-	readonly publishedTime: Date;
+	readonly publishedTime: Date | null;
 
 	private constructor(props: {
 		id: number;
@@ -18,7 +18,7 @@ export class PostInfoViewModel {
 		description: string;
 		previewImageUrl: URL;
 		labels: readonly LabelViewModel[];
-		publishedTime: Date;
+		publishedTime: Date | null;
 	}) {
 		this.id = props.id;
 		this.title = props.title;
@@ -40,18 +40,27 @@ export class PostInfoViewModel {
 	}
 
 	static rehydrate(props: DehydratedPostInfoProps): PostInfoViewModel {
+		let publishedTime: Date | null = null;
+		if (props.publishedTime !== null) {
+			publishedTime = new Date(props.publishedTime);
+		}
+
 		return new PostInfoViewModel({
 			id: props.id,
 			title: props.title,
 			description: props.description,
 			previewImageUrl: new URL(props.previewImageUrl),
 			labels: props.labels.map((label) => LabelViewModel.rehydrate(label)),
-			publishedTime: new Date(props.publishedTime)
+			publishedTime: publishedTime
 		});
 	}
 
-	get formattedPublishedTime(): string {
-		return this.publishedTime.toISOString().slice(0, 10);
+	get isPublished(): boolean {
+		return this.publishedTime !== null;
+	}
+
+	get formattedPublishedTime(): string | null {
+		return this.publishedTime?.toISOString().slice(0, 10) ?? null;
 	}
 
 	dehydrate(): DehydratedPostInfoProps {
@@ -61,7 +70,7 @@ export class PostInfoViewModel {
 			description: this.description,
 			previewImageUrl: this.previewImageUrl.href,
 			labels: this.labels.map((label) => label.dehydrate()),
-			publishedTime: this.publishedTime.getTime()
+			publishedTime: this.publishedTime?.getTime() ?? null
 		};
 	}
 }
@@ -72,5 +81,5 @@ export interface DehydratedPostInfoProps {
 	description: string;
 	previewImageUrl: string;
 	labels: DehydratedLabelProps[];
-	publishedTime: number;
+	publishedTime: number | null;
 }
diff --git a/frontend/src/lib/post/domain/entity/postInfo.ts b/frontend/src/lib/post/domain/entity/postInfo.ts
index 129ffe2..002c788 100644
--- a/frontend/src/lib/post/domain/entity/postInfo.ts
+++ b/frontend/src/lib/post/domain/entity/postInfo.ts
@@ -6,7 +6,7 @@ export class PostInfo {
 	readonly description: string;
 	readonly previewImageUrl: URL;
 	readonly labels: readonly Label[];
-	readonly publishedTime: Date;
+	readonly publishedTime: Date | null;
 
 	constructor(props: {
 		id: number;
@@ -14,7 +14,7 @@ export class PostInfo {
 		description: string;
 		previewImageUrl: URL;
 		labels: readonly Label[];
-		publishedTime: Date;
+		publishedTime: Date | null;
 	}) {
 		this.id = props.id;
 		this.title = props.title;
diff --git a/frontend/src/lib/post/framework/ui/PostContentPage.svelte b/frontend/src/lib/post/framework/ui/PostContentPage.svelte
index 8bd038a..59ca863 100644
--- a/frontend/src/lib/post/framework/ui/PostContentPage.svelte
+++ b/frontend/src/lib/post/framework/ui/PostContentPage.svelte
@@ -22,15 +22,17 @@
 	<title>{generateTitle(state.data?.info.title)}</title>
 	{#if state.data}
 		<meta name="description" content={state.data.info.description} />
-		<StructuredData
-			headline={state.data.info.title}
-			description={state.data.info.description}
-			datePublished={state.data.info.publishedTime}
-			image={state.data.info.previewImageUrl}
-		/>
+		{#if state.data.info.isPublished}
+			<StructuredData
+				headline={state.data.info.title}
+				description={state.data.info.description}
+				datePublished={state.data.info.publishedTime!}
+				image={state.data.info.previewImageUrl}
+			/>
+		{/if}
 	{/if}
 </svelte:head>
-<article class="container prose pb-10 prose-gray">
+<article class="prose prose-gray container pb-10">
 	{#if state.data}
 		<PostContentHeader postInfo={state.data.info} />
 		<div class="max-w-3xl">