From 9dae1ed9e95eedff97fecb276f2d63850b249765 Mon Sep 17 00:00:00 2001
From: sergiyvamz <svvoshch@amazon.com>
Date: Wed, 4 Dec 2024 10:18:11 -0800
Subject: [PATCH] use UTC timezone

---
 .../java/software/amazon/jdbc/plugin/iam/LightRdsUtility.java | 4 ++--
 .../amazon/awssdk/services/rds/TestDefaultRdsUtilities.java   | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/wrapper/src/main/java/software/amazon/jdbc/plugin/iam/LightRdsUtility.java b/wrapper/src/main/java/software/amazon/jdbc/plugin/iam/LightRdsUtility.java
index 6606f47a8..680832d23 100644
--- a/wrapper/src/main/java/software/amazon/jdbc/plugin/iam/LightRdsUtility.java
+++ b/wrapper/src/main/java/software/amazon/jdbc/plugin/iam/LightRdsUtility.java
@@ -43,12 +43,12 @@ public class LightRdsUtility implements IamTokenUtility {
   private final Clock clock;
 
   public LightRdsUtility() {
-    this.clock = Clock.systemDefaultZone();
+    this.clock = Clock.systemUTC();
   }
 
   // For testing only
   public LightRdsUtility(final Instant fixedInstant) {
-    this.clock = Clock.fixed(fixedInstant, ZoneId.systemDefault());
+    this.clock = Clock.fixed(fixedInstant, ZoneId.of("UTC"));
   }
 
   @Override
diff --git a/wrapper/src/test/java/software/amazon/awssdk/services/rds/TestDefaultRdsUtilities.java b/wrapper/src/test/java/software/amazon/awssdk/services/rds/TestDefaultRdsUtilities.java
index 7d1a98234..d55cb90e7 100644
--- a/wrapper/src/test/java/software/amazon/awssdk/services/rds/TestDefaultRdsUtilities.java
+++ b/wrapper/src/test/java/software/amazon/awssdk/services/rds/TestDefaultRdsUtilities.java
@@ -33,6 +33,6 @@ public static DefaultRdsUtilities getDefaultRdsUtilities(
     final DefaultBuilder builder = (DefaultBuilder) new DefaultBuilder()
         .credentialsProvider(credentialsProvider)
         .region(region);
-    return new DefaultRdsUtilities(builder, Clock.fixed(fixedInstant, ZoneId.systemDefault()));
+    return new DefaultRdsUtilities(builder, Clock.fixed(fixedInstant, ZoneId.of("UTC")));
   }
 }