coderdojo-japan · kp54 · Sep 27, 2025 · Sep 27, 2025
diff --git a/_posts/2025-07-21-contest-outline.md b/_posts/2025-07-21-contest-outline.md
@@ -2,7 +2,7 @@
 layout: post
 title: DojoCon Japan 2025 プログラミングコンテスト
 title-in-news-list: 『DojoCon Japan 2025 プログラミングコンテスト』の募集要項を掲載しました
-date: 2025-07-21T00:00:00 UTC+09:00
+date: 2025-07-21
 categories: news
 permalink: /contests/
 tags: イベント

diff --git a/_posts/2025-07-21-contest-terms.md b/_posts/2025-07-21-contest-terms.md
@@ -1,7 +1,7 @@
 ---
 layout: post
 title: DojoCon Japan 2025 プログラミングコンテスト 参加規約
-date: 2025-07-21T00:00:00 UTC+09:00
+date: 2025-07-21
 permalink: /contests/terms/
 ---
 <img src="/img/common/coderdojo-nameplate.webp" loading="lazy" alt="DojoCon Japan Cover Photo"

diff --git a/_posts/2025-08-02-contest-how-to-apply.md b/_posts/2025-08-02-contest-how-to-apply.md
@@ -2,7 +2,7 @@
 layout: post
 title: 『DojoCon Japan 2025 プログラミングコンテスト』応募方法
 title-in-news-list: 『DojoCon Japan 2025 プログラミングコンテスト』の応募方法を公開しました
-date: 2025-08-02T01:00:00 UTC+09:00
+date: 2025-08-02
 categories: news
 tags: イベント
 permalink: /contests/how-to-apply/

diff --git a/_posts/2025-08-02-sponsor-recruit-started.md b/_posts/2025-08-02-sponsor-recruit-started.md
@@ -2,7 +2,7 @@
 layout: post
 title: DojoCon Japan 2025 スポンサー募集のお知らせ
 title-in-news-list: DojoCon Japan 2025 スポンサー募集のお知らせを掲載しました
-date: 2025-08-02T00:00:00 UTC+09:00
+date: 2025-08-02
 categories: news
 tags: スポンサー
 permalink: /sponsorship/

diff --git a/_posts/2025-08-28-keynote1.md b/_posts/2025-08-28-keynote1.md
@@ -1,7 +1,7 @@
 ---
 layout: post
 title: 基調講演
-date: 2025-08-28T00:00:00 UTC+09:00
+date: 2025-08-28
 permalink: /sessions/keynote1/
 ---
 

diff --git a/_posts/2025-08-28-keynote2.md b/_posts/2025-08-28-keynote2.md
@@ -1,7 +1,7 @@
 ---
 layout: post
 title: 招待講演
-date: 2025-08-28T00:00:00 UTC+09:00
+date: 2025-08-28
 permalink: /sessions/keynote2/
 ---
 

diff --git a/_posts/2025-08-28-saikyo-coderdojo.md b/_posts/2025-08-28-saikyo-coderdojo.md
@@ -1,7 +1,7 @@
 ---
 layout: post
 title: ぼくのかんがえたさいきょうのCoderDojoワークショップ
-date: 2025-08-28T00:00:00 UTC+09:00
+date: 2025-08-28
 categories: event
 thumbnail: /img/events/saikyo-coderdojo.webp
 permalink: /events/saikyo-coderdojo/

diff --git a/_posts/2025-09-01-registration.md b/_posts/2025-09-01-registration.md
@@ -2,7 +2,7 @@
 layout: post
 title: 参加受付を開始しました
 title-in-news-list: DojoCon Japan 2025 一般参加の受付を開始しました
-date: 2025-09-01T00:00:00 UTC+09:00
+date: 2025-09-01
 categories: news
 tag: 参加受付
 permalink: /registration/

diff --git a/_posts/2025-09-01-staff.md b/_posts/2025-09-01-staff.md
@@ -2,7 +2,7 @@
 layout: post
 title: 当日スタッフ募集
 title-in-news-list: DojoCon Japan 2025 の当日スタッフを募集します
-date: 2025-09-01T00:00:00 UTC+09:00
+date: 2025-09-01
 categories: news
 tags: 当日スタッフ
 permalink: /staff/

diff --git a/_posts/2025-09-05-nandemo-sodan-cafe.md b/_posts/2025-09-05-nandemo-sodan-cafe.md
@@ -1,7 +1,7 @@
 ---
 layout: post
 title: CoderDojoなんでも相談カフェ
-date: 2025-09-05T00:00:00 UTC+09:00
+date: 2025-09-05
 categories: event
 thumbnail: /img/events/nandemo-sodan-cafe.webp
 permalink: /events/nandemo-sodan-cafe/

diff --git a/_posts/2025-09-05-outline.md b/_posts/2025-09-05-outline.md
@@ -2,7 +2,7 @@
 layout: post
 title: 開催概要
 subtitle: OUTLINE
-date: 2025-09-05T00:00:00 UTC+09:00
+date: 2025-09-05
 permalink: /outline/
 ---
 <h3>開催日時</h3>

diff --git a/_posts/2025-09-14-blender-shimaenaga.md b/_posts/2025-09-14-blender-shimaenaga.md
@@ -1,7 +1,7 @@
 ---
 layout: post
 title: Blenderでシマエナガを作ろう！
-date: 2025-09-14T00:00:00Z
+date: 2025-09-14
 categories: event
 thumbnail: /img/events/blender-shimaenaga.webp
 permalink: /events/blender-shimaenaga/

diff --git a/_posts/2025-09-20-session1.md b/_posts/2025-09-20-session1.md
@@ -1,7 +1,7 @@
 ---
 layout: post
 title: セッション
-date: 2025-09-20T00:00:00 UTC+09:00
+date: 2025-09-20
 permalink: /sessions/1/
 ---
 

diff --git a/_posts/2025-09-20-session2.md b/_posts/2025-09-20-session2.md
@@ -1,7 +1,7 @@
 ---
 layout: post
 title: セッション
-date: 2025-09-20T00:00:00 UTC+09:00
+date: 2025-09-20
 permalink: /sessions/2/
 ---
 

diff --git a/_posts/2025-09-24-sponsorship-closed.md b/_posts/2025-09-24-sponsorship-closed.md
@@ -2,7 +2,7 @@
 layout: post
 title: Gold, Silver, Bronze スポンサーの募集を終了しました
 title-in-news-list: Gold, Silver, Bronze スポンサーの募集を終了しました
-date: 2025-09-24T00:00:00Z
+date: 2025-09-24
 categories: news
 tags: スポンサー
 permalink: /news/sponsorship-closed/

diff --git a/_posts/2025-09-25-contest-qualified.md b/_posts/2025-09-25-contest-qualified.md
@@ -2,7 +2,7 @@
 layout: post
 title: DojoCon Japan 2025 プログラミングコンテスト ファイナリスト決定
 title-in-news-list: プログラミングコンテストのファイナリストが決定しました
-date: 2025-09-25T00:00:00Z
+date: 2025-09-25
 categories: news
 tag: コンテスト
 permalink: /news/contest-qualified/

diff --git a/_posts/2025-09-25-playrise-esports-edu-workshop.md b/_posts/2025-09-25-playrise-esports-edu-workshop.md
@@ -1,7 +1,7 @@
 ---
 layout: post
 title: 言葉で強くなる！eスポーツ×教育ワークショップ
-date: 2025-09-25 00:00:00 +0900
+date: 2025-09-25
 categories: event
 permalink: /events/playrise-esports-edu-workshop/
 thumbnail: /img/events/playrise-esports-edu-workshop.webp

diff --git a/_posts/2025-09-25-playrise-exhibition.md b/_posts/2025-09-25-playrise-exhibition.md
@@ -1,7 +1,7 @@
 ---
 layout: post
 title: eスポーツとスポーツの交差点：共通点と未来への課題
-date: 2025-09-25 00:00:00 +0900
+date: 2025-09-25
 categories: event
 permalink: /events/playrise-exhibition/
 thumbnail: /img/events/playrise-exhibition.webp