Patch by Hanataka Shinya <hanataka.shinya@gmail.com> from
<https://sourceware.org/bugzilla/show_bug.cgi?id=24405>.  Confirmed by TAMUKI
Shoichi's patch in
<https://sourceware.org/ml/libc-alpha/2019-04/msg00005.html>.

The official announcement by the Japanese Prime Minister in
<https://www.kantei.go.jp/jp/tyoukanpress/201904/1_a.html> uses U+4EE4 U+548C
as well.

diff --git a/localedata/locales/ja_JP b/localedata/locales/ja_JP
index 1fd2fee44b2879d9..30190b624856cc53 100644
--- a/localedata/locales/ja_JP
+++ b/localedata/locales/ja_JP
@@ -14946,7 +14946,9 @@ am_pm	"<U5348><U524D>";"<U5348><U5F8C>"
 
 t_fmt_ampm "%p%I<U6642>%M<U5206>%S<U79D2>"
 
-era	"+:2:1990//01//01:+*:<U5E73><U6210>:%EC%Ey<U5E74>";/
+era	"+:2:2020//01//01:+*:<U4EE4><U548C>:%EC%Ey<U5E74>";/
+	"+:1:2019//05//01:2019//12//31:<U4EE4><U548C>:%EC<U5143><U5E74>";/
+	"+:2:1990//01//01:2019//04//30:<U5E73><U6210>:%EC%Ey<U5E74>";/
 	"+:1:1989//01//08:1989//12//31:<U5E73><U6210>:%EC<U5143><U5E74>";/
 	"+:2:1927//01//01:1989//01//07:<U662D><U548C>:%EC%Ey<U5E74>";/
 	"+:1:1926//12//25:1926//12//31:<U662D><U548C>:%EC<U5143><U5E74>";/