diff --git a/TestTranslations.java b/TestTranslations.java
index f6a4fe2..66d0d6f 100644
--- a/TestTranslations.java
+++ b/TestTranslations.java
@@ -1,5 +1,5 @@
 /* TestTranslations -- Ensure translations are available for new timezones
-   Copyright (C) 2022 Red Hat, Inc.
+   Copyright (C) 2026 Red Hat, Inc.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as
@@ -60,15 +60,34 @@ public class TestTranslations {
 
 
     public static void main(String[] args) {
+        boolean debug = false;
+
         if (args.length < 1) {
             System.err.println("Test must be started with the name of the locale provider.");
             System.exit(1);
         }
 
+        if (args.length > 1) {
+            debug = Boolean.parseBoolean(args[1]);
+        }
+
+        System.err.printf("Debugging: %s\n", debug);
+
+        testZoneStrings(debug);
+
+        String localeProvider = args[0];
+        testZone(localeProvider, KYIV,
+                 new String[] { "Europe/Kiev", "Europe/Kyiv", "Europe/Uzhgorod", "Europe/Zaporozhye" });
+        testZone(localeProvider, CIUDAD_JUAREZ,
+                 new String[] { "America/Cambridge_Bay", "America/Ciudad_Juarez" });
+    }
+
+    private static void testZoneStrings(final boolean debug) {
         System.out.println("Checking sanity of full zone string set...");
         boolean invalid = Arrays.stream(Locale.getAvailableLocales())
-            .peek(l -> System.out.println("Locale: " + l))
+            .peek(l -> System.out.printf(debug ? "Locale: %s\n" : "", l))
             .map(l -> DateFormatSymbols.getInstance(l).getZoneStrings())
+            .peek(df -> System.out.printf(debug ? "Zone string size: %s\n" : "", df.length))
             .flatMap(zs -> Arrays.stream(zs))
             .flatMap(names -> Arrays.stream(names))
             .filter(name -> Objects.isNull(name) || name.isEmpty())
@@ -78,12 +97,6 @@ public class TestTranslations {
             System.err.println("Zone string for a locale returned null or empty string");
             System.exit(2);
         }
-
-        String localeProvider = args[0];
-        testZone(localeProvider, KYIV,
-                 new String[] { "Europe/Kiev", "Europe/Kyiv", "Europe/Uzhgorod", "Europe/Zaporozhye" });
-        testZone(localeProvider, CIUDAD_JUAREZ,
-                 new String[] { "America/Cambridge_Bay", "America/Ciudad_Juarez" });
     }
 
     private static void testZone(String localeProvider, Map<Locale,String[]> exp, String[] ids) {
diff --git a/java-21-openjdk.spec b/java-21-openjdk.spec
index dc1a9f7..451e4a8 100644
--- a/java-21-openjdk.spec
+++ b/java-21-openjdk.spec
@@ -2589,6 +2589,7 @@ cjc.mainProgram(args)
 - Move version information and core NVR definitions back towards the top of the file
 - Specify portablerelease and rpmrelease (always 0 for portables) in the Release field
 - Obsolete old RHEL releases (9.7.0-z, 10.1-z)
+- Make zone string debug output optional in TestTranslations
 - ** This tarball is embargoed until 2026-07-21 @ 1pm PT. **
 - Resolves: RHEL-212332
 - Resolves: RHEL-212334
@@ -2597,6 +2598,7 @@ cjc.mainProgram(args)
 - Resolves: RHEL-212341
 - Resolves: RHEL-188866
 - Resolves: RHEL-212345
+- Resolves: RHEL-212347
 
 * Sat Jul 18 2026 Thomas Fitzsimmons <fitzsim@redhat.com> - 1:21.0.11.0.10-1.3
 - Disable abidiff inspection in rpminspect.yaml to avoid an out-of-memory error on the CentOS test farm