diff --git a/core/res/res/values-ja/strings.xml b/core/res/res/values-ja/strings.xml
index 25d906f17a57b..e85690098af6d 100644
--- a/core/res/res/values-ja/strings.xml
+++ b/core/res/res/values-ja/strings.xml
@@ -595,7 +595,7 @@
     <string name="midnight">"午前0時"</string>
     <string name="Midnight">"午前0時"</string>
     <!-- no translation found for month_day (3693060561170538204) -->
-    <skip />
+    <string name="month_day">"<xliff:g id="MONTH">%B</xliff:g><xliff:g id="DAY">%-d</xliff:g>日"</string>
     <!-- no translation found for month (7026169712234774086) -->
     <skip />
     <string name="month_day_year">"<xliff:g id="YEAR">%Y</xliff:g>年<xliff:g id="MONTH">%B</xliff:g><xliff:g id="DAY">%-d</xliff:g>日"</string>
@@ -631,7 +631,7 @@
     <!-- no translation found for abbrev_month_year (5966980891147982768) -->
     <skip />
     <!-- no translation found for abbrev_month_day (3156047263406783231) -->
-    <skip />
+    <string name="abbrev_month_day">"<xliff:g id="MONTH">%B</xliff:g><xliff:g id="DAY">%-d</xliff:g>日"</string>
     <!-- no translation found for abbrev_month (3131032032850777433) -->
     <skip />
     <string name="day_of_week_long_sunday">"日曜日"</string>