diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index 1a08ac342..518648372 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -61,7 +61,7 @@
     <string name="forever">永遠</string>
     <string name="event_is_repeatable">予定は繰り返し設定になっています</string>
     <string name="task_is_repeatable">タスクは繰り返し設定になっています</string>
-    <string name="selection_contains_repetition">The selection contains repeating events</string>
+    <string name="selection_contains_repetition">選択範囲に繰り返し設定が含まれています</string>
     <string name="delete_one_only">選択した予定のみ削除する</string>
     <string name="delete_future_occurrences">今回と以降の予定を削除する</string>
     <string name="delete_all_occurrences">予定をすべて削除する</string>
@@ -74,11 +74,11 @@
     <string name="times">回</string>
     <string name="repeat">繰り返し</string>
     <string name="repeat_on">繰り返す</string>
-    <string name="selected_days">On selected days</string>
+    <string name="selected_days">選択した日</string>
     <string name="the_same_day">同じ日</string>
-    <string name="the_last_day">The last day</string>
+    <string name="the_last_day">最終日</string>
     <string name="repeat_on_the_same_day_monthly">毎月同じ日に繰り返す</string>
-    <string name="repeat_on_the_last_day_monthly">Repeat on the last day of the month</string>
+    <string name="repeat_on_the_last_day_monthly">月の最終日に繰り返す</string>
     <string name="repeat_on_the_same_day_yearly">毎年同じ日に繰り返す</string>
     <string name="repeat_every_m">Repeat every</string>
     <string name="every_m">Every</string>
@@ -126,7 +126,7 @@
     <string name="maybe_going">Maybe going</string>
     <string name="invited">Invited</string>
     <!-- Time zones -->
-    <string name="enter_a_country">Enter a country or time zone</string>
+    <string name="enter_a_country">国またはタイムゾーンを入力</string>
     <!-- Export / Import -->
     <string name="import_events">予定をインポート</string>
     <string name="export_events">予定をエクスポート</string>
@@ -156,7 +156,7 @@
     <string name="select_event_type">予定の種類を選択</string>
     <string name="move_events_into_default">影響を受ける予定をデフォルトの予定の種類に移す</string>
     <string name="remove_affected_events">影響を受ける予定を完全に削除する</string>
-    <string name="unsync_caldav_calendar">To remove a CalDAV calendar you have to unsynchronize it</string>
+    <string name="unsync_caldav_calendar">CalDAVカレンダーを削除するには、同期を解除する必要があります</string>
     <!-- Holidays -->
     <string name="holidays">祝日</string>
     <string name="add_holidays">祝日を追加</string>
@@ -173,9 +173,9 @@
     <string name="allow_customizing_day_count">日数のカスタマイズを許可する</string>
     <string name="week_numbers">週番号を表示</string>
     <string name="vibrate">リマインダー通知で振動</string>
-    <string name="reminder_sound">Reminder sound</string>
-    <string name="no_ringtone_picker">No app capable of setting ringtone found</string>
-    <string name="no_ringtone_selected">None</string>
+    <string name="reminder_sound">リマインダー音</string>
+    <string name="no_ringtone_picker">着信音を設定できるアプリが見つかりません</string>
+    <string name="no_ringtone_selected">なし</string>
     <string name="day_end_before_start">The day cannot end earlier than it starts</string>
     <string name="caldav_sync">CalDAV 同期</string>
     <string name="event_lists">予定リスト</string>
@@ -224,9 +224,9 @@
     <string name="syncing">同期中…</string>
     <string name="synchronization_completed">同期が完了しました</string>
     <string name="select_a_different_caldav_color">Select a different color (might be applied locally only)</string>
-    <string name="insufficient_permissions">You are not allowed to write in the selected calendar</string>
+    <string name="insufficient_permissions">選択したカレンダーへの書き込みは許可されていません</string>
     <string name="caldav_event_not_found">Event not found. Please enable CalDAV sync for the appropriate calendar in the app settings.</string>
-    <string name="no_synchronized_calendars">No synchronizable calendars have been found</string>
+    <string name="no_synchronized_calendars">同期可能なカレンダーが見つかりません</string>
     <string name="status_free">Free</string>
     <string name="status_busy">Busy</string>
     <string name="fetching_event_failed">Fetching event %s failed</string>
@@ -240,14 +240,14 @@
     <string name="saturday_alt">土曜日</string>
     <string name="sunday_alt">日曜日</string>
     <!-- List widget config example events -->
-    <string name="sample_title_1">Workout</string>
-    <string name="sample_description_1">Leg day</string>
-    <string name="sample_title_2">Meeting with John</string>
-    <string name="sample_description_2">In Rockstone garden</string>
-    <string name="sample_title_3">Library</string>
-    <string name="sample_title_4">Lunch with Mary</string>
-    <string name="sample_description_4">In the Plaza</string>
-    <string name="sample_title_5">Coffee time</string>
+    <string name="sample_title_1">ワークアウト</string>
+    <string name="sample_description_1">脚部の日</string>
+    <string name="sample_title_2">ジョンとミーティング</string>
+    <string name="sample_description_2">ロックストーンガーデンにて</string>
+    <string name="sample_title_3">図書館</string>
+    <string name="sample_title_4">メアリーとランチ</string>
+    <string name="sample_description_4">広場にて</string>
+    <string name="sample_title_5">コーヒータイム</string>
     <!-- List widget config -->
     <string name="show_events_happening">表示する予定：</string>
     <string name="within_the_next_one_year">今後 1 年分</string>