diff --git a/js/src/i18n/ja.json b/js/src/i18n/ja.json
index 2e53ab859..6bf2a9521 100644
--- a/js/src/i18n/ja.json
+++ b/js/src/i18n/ja.json
@@ -180,7 +180,7 @@
   "Click to upload": "クリックしてアップロードする",
   "Close": "閉じる",
   "Close comments for all (except for admins)": "管理者以外のアカウントはコメントが不可にする",
-  "Closed": "閉じる",
+  "Closed": "停止",
   "Comment body": "",
   "Comment deleted": "コメントが削除されました。",
   "Comment text can't be empty": "コメントのテキストは空白にはできません",
@@ -438,7 +438,7 @@
   "Identity {displayName} created": "{displayName}のアイデンティティが作成されました",
   "Identity {displayName} deleted": "{displayName}のアイデンティティが削除されました",
   "Identity {displayName} updated": "{displayName}のアイデンティティが更新されました",
-  "If allowed by organizer": "",
+  "If allowed by organizer": "イベントの主催者が決める",
   "If an account with this email exists, we just sent another confirmation email to {email}": "",
   "If this identity is the only administrator of some groups, you need to delete them before being able to delete this identity.": "",
   "If you are being asked for your federated indentity, it's composed of your username and your instance. For instance, the federated identity for your first profile is:": "連合のアイデンティティー、また連合のアカウントの場合はあなたのユーバー名とインスタンスのドメインです。例えば、一番最初に作成したプロフィールの連合のアイデンティティーは：",
@@ -629,7 +629,7 @@
   "Notifications for manually approved participations to an event": "",
   "Notify participants": "",
   "Now, create your first profile:": "",
-  "Number of places": "行う場所の数",
+  "Number of places": "参加可能の人の数",
   "OK": "OK",
   "Old password": "古いパスワード",
   "On {date}": "{date} に行う",
@@ -648,7 +648,7 @@
   "Only group moderators can create, edit and delete events.": "グループのモデレーターのみがイベントを作成、編集、削除できます。",
   "Only group moderators can create, edit and delete posts.": "",
   "Only registered users may fetch remote events from their URL.": "",
-  "Open": "",
+  "Open": "可能",
   "Open a topic on our forum": "フォーラムでトピックを作成する",
   "Open an issue on our bug tracker (advanced users)": "（上級ユーザー向け）バグトラッカー上でissueを開く",
   "Opened reports": "",
@@ -757,7 +757,7 @@
   "Registration is allowed, anyone can register.": "制限なくアカウントの新規登録可能です。",
   "Registration is closed.": "アカウントの新規登録が停止されています。",
   "Registration is currently closed.": "アカウントの新規登録が停止中です。",
-  "Registrations": "",
+  "Registrations": "アカウントの新規登録",
   "Registrations are restricted by allowlisting.": "新規登録は管理者と事前連絡済みの方のみができます。",
   "Reject": "拒否する",
   "Reject member": "",
@@ -956,8 +956,8 @@
   "This week": "今週",
   "This weekend": "今週末",
   "This will delete / anonymize all content (events, comments, messages, participations…) created from this identity.": "",
-  "Time in your timezone ({timezone})": "",
-  "Times in your timezone ({timezone})": "",
+  "Time in your timezone ({timezone})": "あなたのタイムゾーン ({timezone})",
+  "Times in your timezone ({timezone})": "あなたのタイムゾーン ({timezone})",
   "Timezone": "タイムゾーン",
   "Timezone detected as {timezone}.": "",
   "Title": "タイトル",