diff --git a/src/it/projects/MSHADE-420/invoker.properties b/src/it/projects/MSHADE-420/invoker.properties
new file mode 100644
index 00000000..4ab37c16
--- /dev/null
+++ b/src/it/projects/MSHADE-420/invoker.properties
@@ -0,0 +1,25 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+invoker.goals.1 = clean package -DfinalName=current-OS dependency:copy-dependencies
+
+invoker.mavenOpts.2=-Duser.timezone=Etc/UTC
+invoker.goals.2 = package -DfinalName=UTC
+invoker.mavenOpts.3=-Duser.timezone=Asia/Tokyo
+invoker.goals.3 = package -DfinalName=Tokyo
+invoker.mavenOpts.4=-Duser.timezone=Canada/Yukon
+invoker.goals.4 = package -DfinalName=Yukon
diff --git a/src/it/projects/MSHADE-420/pom.xml b/src/it/projects/MSHADE-420/pom.xml
new file mode 100644
index 00000000..1a610c7d
--- /dev/null
+++ b/src/it/projects/MSHADE-420/pom.xml
@@ -0,0 +1,83 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>org.apache.maven.its.shade.parallel</groupId>
+  <artifactId>mshade420</artifactId>
+  <version>1.0</version>
+
+  <name>MSHADE-420</name>
+  <description>
+    Some jar entries are timezone-sensitive.
+  </description>
+
+  <dependencies>
+    <dependency>
+      <groupId>net.java.dev.jna</groupId>
+      <artifactId>jna</artifactId>
+      <version>5.13.0</version>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-shade-plugin</artifactId>
+        <version>@project.version@</version>
+        <executions>
+          <execution>
+            <goals>
+              <goal>shade</goal>
+            </goals>
+            <configuration>
+              <finalName>${finalName}</finalName>
+              <filters>
+                <filter>
+                  <artifact>net.java.dev.jna:jna</artifact>
+                  <excludes><!-- exclude files not having the issue, to ease review -->
+                    <exclude>META-INF/*</exclude>
+                    <exclude>**/*.class</exclude>
+                    <exclude>com/sun/jna/win32**/*</exclude>
+                  </excludes>
+                </filter>
+              </filters>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-dependency-plugin</artifactId>
+        <version>3.5.0</version>
+        <executions>
+          <execution>
+            <goals>
+              <goal>copy-dependencies</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>
diff --git a/src/it/projects/MSHADE-420/verify.groovy b/src/it/projects/MSHADE-420/verify.groovy
new file mode 100644
index 00000000..215f42c7
--- /dev/null
+++ b/src/it/projects/MSHADE-420/verify.groovy
@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.security.MessageDigest
+import java.util.jar.JarFile
+
+String describeEntry(JarFile jar, String name, long time) {
+    def entry = jar.getEntry(name)
+    return String.format("  - %-47s: time = %d, lastModified = %s = diff %d min., extra = %b", name, entry.getTime(), entry.getLastModifiedTime().toString(),
+           (long)((entry.getTime() / 1000L - time)/60L), entry.getExtra() != null)
+}
+
+String describeJar(JarFile jar) {
+    return describeEntry(jar, "com/sun/jna/openbsd-x86-64/libjnidispatch.so", 1671223758L) + '\n'\
+         + describeEntry(jar, "com/sun/jna/linux-loongarch64/libjnidispatch.so", 1671223358L)
+}
+
+String describe(String name) {
+    def file = new File(basedir, "target/" + name)
+    def jar = new JarFile(file)
+
+    println(name)
+    return "sha1 = " + MessageDigest.getInstance("SHA1").digest(file.bytes).encodeHex().toString()\
+         + "\n" + describeJar(jar)
+}
+
+void describeTz(TimeZone tz) {
+    println("TZ = " + tz.getID() + ", raw offset = " + tz.getRawOffset() / 60000 + " min., offset to current TZ = " + (tz.getRawOffset() - TimeZone.getDefault().getRawOffset()) / 60000 + " min.")
+}
+
+describeTz(TimeZone.getDefault())
+println(describe("dependency/jna-5.13.0.jar"))
+println(describe("current-OS.jar"))
+def utcDescription = describe("UTC.jar")
+describeTz(TimeZone.getTimeZone("Etc/UTC"))
+println(utcDescription)
+def tokyoDescription = describe("Tokyo.jar")
+describeTz(TimeZone.getTimeZone("Asia/Tokyo"))
+println(tokyoDescription)
+describeTz(TimeZone.getTimeZone("Canada/Yukon"))
+println(describe("Yukon.jar"))
+
+assert utcDescription == tokyoDescription
\ No newline at end of file
diff --git a/src/it/projects/MSHADE-420/zipdetails.txt b/src/it/projects/MSHADE-420/zipdetails.txt
new file mode 100644
index 00000000..1fa0db79
--- /dev/null
+++ b/src/it/projects/MSHADE-420/zipdetails.txt
@@ -0,0 +1,215 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+# extract of zipdetails tool (https://perldoc.perl.org/zipdetails) output on target/dependency/jna-5.13.0.jar
+# and on UTC.jar and Tokyo.jar
+# to compare details of a problematic zip entry vs non-problematic in origin jar
+# vs in shaded jars
+#
+
+# extracts from *.zipdetails.txt and *.zipdetails-stderr.txt files generated by:
+$ for n in UTC Tokyo dependency/jna-5.13.0 ; do sha1sum $n.jar ; zipdetails $n.jar > $n-zipdetails.txt 2> $n-zipdetails-stderr.txt ; done
+2f9bd2808b7f93058abd8a66e160b699e2ff53f1  UTC.jar
+bc0b043cbcdda98b53d9aa8f8ef3a4e7f6624708  Tokyo.jar
+1200e7ebeedbe0d10062093f32925a912020e747  dependency/jna-5.13.0.jar
+# done on my own Linux box with Paris TZ in January 2024 (I don't know if other OS TZ may have an impact, or daylight savings,
+# recording details for comparing with anybody getting different results on SHA1s)
+# focused on problematic zip entries com/sun/jna/openbsd-x86-64/libjnidispatch.so vs non-problematic com/sun/jna/linux-loongarch64/libjnidispatch.so
+
+# initial zipdetails contains 2 "Extra ID" fields
+
+##
+## jna-5.13.0.jar
+##
+# zip entry in jna-5.13.0.jar causing the issue
+ADD 1600309 1648805 CENTRAL HEADER ref Local #B5: com/sun/jna/openbsd-x86-64/libjnidispatch.so
+1CAAA1 CENTRAL HEADER #B5    02014B50
+1CAAA5 Created Zip Spec      14 '2.0'
+1CAAA6 Created OS            03 'Unix'
+1CAAA7 Extract Zip Spec      0A '1.0'
+1CAAA8 Extract OS            00 'MS-DOS'
+1CAAA9 General Purpose Flag  0800
+       [Bits 1-2]            0 'Normal Compression'
+       [Bit 11]              1 'Language Encoding'
+1CAAAB Compression Method    0008 'Deflated'
+1CAAAD Last Mod Time         5590AE29 'Fri Dec 16 21:49:18 2022'
+1CAAB1 CRC                   9D24CF73
+1CAAB5 Compressed Length     0000BD70
+1CAAB9 Uncompressed Length   0001E03E
+1CAABD Filename Length       002C
+1CAABF Extra Length          0018
+1CAAC1 Comment Length        0000
+1CAAC3 Disk Start            0000
+1CAAC5 Int File Attributes   0000
+       [Bit 0]               0 'Binary Data'
+1CAAC7 Ext File Attributes   81ED0000
+1CAACB Local Header Offset   00186B35
+1CAACF Filename              'com/sun/jna/openbsd-x86-
+                             64/libjnidispatch.so'
+1CAAFB Extra ID #0001        5455 'UT: Extended Timestamp'
+1CAAFD   Length              0005
+1CAAFF   Flags               '03 mod access'
+1CAB00   Mod Time            639CD9CE 'Fri Dec 16 21:49:18 2022'
+1CAB04 Extra ID #0002        7875 'ux: Unix Extra Type 3'
+1CAB06   Length              000B
+1CAB08   Version             01
+1CAB09   UID Size            04
+1CAB0A   UID                 00000000
+1CAB0E   GID Size            04
+1CAB0F   GID                 00000000
+
+# usual zip entry jna-5.13.0.jar, not causing any issue
+ADD 1059307 1109553 CENTRAL HEADER ref Local #A1: com/sun/jna/linux-loongarch64/libjnidispatch.so
+1CA392 CENTRAL HEADER #A1    02014B50
+1CA396 Created Zip Spec      14 '2.0'
+1CA397 Created OS            03 'Unix'
+1CA398 Extract Zip Spec      0A '1.0'
+1CA399 Extract OS            00 'MS-DOS'
+1CA39A General Purpose Flag  0800
+       [Bits 1-2]            0 'Normal Compression'
+       [Bit 11]              1 'Language Encoding'
+1CA39C Compression Method    0008 'Deflated'
+1CA39E Last Mod Time         5590AD53 'Fri Dec 16 21:42:38 2022'
+1CA3A2 CRC                   1AA0D033
+1CA3A6 Compressed Length     0000C446
+1CA3AA Uncompressed Length   0005B768
+1CA3AE Filename Length       002F
+1CA3B0 Extra Length          0000
+1CA3B2 Comment Length        0000
+1CA3B4 Disk Start            0000
+1CA3B6 Int File Attributes   0000
+       [Bit 0]               0 'Binary Data'
+1CA3B8 Ext File Attributes   81A40000
+1CA3BC Local Header Offset   001029EB
+1CA3C0 Filename              'com/sun/jna/linux-
+                             loongarch64/libjnidispatch.so'
+
+
+##
+## UTC.jar = shaded content with JVM UTC TZ
+##
+# zip entry in UTC.jar having an issue
+ADD 1317115 1365611 CENTRAL HEADER ref Local #38: com/sun/jna/openbsd-x86-64/libjnidispatch.so
+14E7BF CENTRAL HEADER #38    02014B50
+14E7C3 Created Zip Spec      14 '2.0'
+14E7C4 Created OS            00 'MS-DOS'
+14E7C5 Extract Zip Spec      14 '2.0'
+14E7C6 Extract OS            00 'MS-DOS'
+14E7C7 General Purpose Flag  0808
+       [Bits 1-2]            0 'Normal Compression'
+       [Bit  3]              1 'Streamed'
+       [Bit 11]              1 'Language Encoding'
+14E7C9 Compression Method    0008 'Deflated'
+14E7CB Last Mod Time         5590A629 'Fri Dec 16 20:49:18 2022'
+14E7CF CRC                   9D24CF73
+14E7D3 Compressed Length     0000BD70
+14E7D7 Uncompressed Length   0001E03E
+14E7DB Filename Length       002C
+14E7DD Extra Length          0000
+14E7DF Comment Length        0000
+14E7E1 Disk Start            0000
+14E7E3 Int File Attributes   0000
+       [Bit 0]               0 'Binary Data'
+14E7E5 Ext File Attributes   00000000
+14E7E9 Local Header Offset   001418FB
+14E7ED Filename              'com/sun/jna/openbsd-x86-
+                             64/libjnidispatch.so'
+
+# zip entry in UTC.jar not having an issue
+ADD 776025 826271 CENTRAL HEADER ref Local #24: com/sun/jna/linux-loongarch64/libjnidispatch.so
+14E188 CENTRAL HEADER #24    02014B50
+14E18C Created Zip Spec      14 '2.0'
+14E18D Created OS            00 'MS-DOS'
+14E18E Extract Zip Spec      14 '2.0'
+14E18F Extract OS            00 'MS-DOS'
+14E190 General Purpose Flag  0808
+       [Bits 1-2]            0 'Normal Compression'
+       [Bit  3]              1 'Streamed'
+       [Bit 11]              1 'Language Encoding'
+14E192 Compression Method    0008 'Deflated'
+14E194 Last Mod Time         5590AD53 'Fri Dec 16 21:42:38 2022'
+14E198 CRC                   1AA0D033
+14E19C Compressed Length     0000C446
+14E1A0 Uncompressed Length   0005B768
+14E1A4 Filename Length       002F
+14E1A6 Extra Length          0000
+14E1A8 Comment Length        0000
+14E1AA Disk Start            0000
+14E1AC Int File Attributes   0000
+       [Bit 0]               0 'Binary Data'
+14E1AE Ext File Attributes   00000000
+14E1B2 Local Header Offset   000BD759
+14E1B6 Filename              'com/sun/jna/linux-
+                             loongarch64/libjnidispatch.so'
+
+
+##
+## Tokyo.jar = shaded content with JVM Asia/Tokyo TZ
+##
+# zip entry in Tokyo.jar having an issue
+ADD 1317115 1365611 CENTRAL HEADER ref Local #38: com/sun/jna/openbsd-x86-64/libjnidispatch.so
+14E7BF CENTRAL HEADER #38    02014B50
+14E7C3 Created Zip Spec      14 '2.0'
+14E7C4 Created OS            00 'MS-DOS'
+14E7C5 Extract Zip Spec      14 '2.0'
+14E7C6 Extract OS            00 'MS-DOS'
+14E7C7 General Purpose Flag  0808
+       [Bits 1-2]            0 'Normal Compression'
+       [Bit  3]              1 'Streamed'
+       [Bit 11]              1 'Language Encoding'
+14E7C9 Compression Method    0008 'Deflated'
+14E7CB Last Mod Time         55912E29 'Sat Dec 17 05:49:18 2022'
+14E7CF CRC                   9D24CF73
+14E7D3 Compressed Length     0000BD70
+14E7D7 Uncompressed Length   0001E03E
+14E7DB Filename Length       002C
+14E7DD Extra Length          0000
+14E7DF Comment Length        0000
+14E7E1 Disk Start            0000
+14E7E3 Int File Attributes   0000
+       [Bit 0]               0 'Binary Data'
+14E7E5 Ext File Attributes   00000000
+14E7E9 Local Header Offset   001418FB
+14E7ED Filename              'com/sun/jna/openbsd-x86-
+                             64/libjnidispatch.so'
+
+# zip entry in Tokyo.jar not having an issue
+ADD 776025 826271 CENTRAL HEADER ref Local #24: com/sun/jna/linux-loongarch64/libjnidispatch.so
+14E188 CENTRAL HEADER #24    02014B50
+14E18C Created Zip Spec      14 '2.0'
+14E18D Created OS            00 'MS-DOS'
+14E18E Extract Zip Spec      14 '2.0'
+14E18F Extract OS            00 'MS-DOS'
+14E190 General Purpose Flag  0808
+       [Bits 1-2]            0 'Normal Compression'
+       [Bit  3]              1 'Streamed'
+       [Bit 11]              1 'Language Encoding'
+14E192 Compression Method    0008 'Deflated'
+14E194 Last Mod Time         5590AD53 'Fri Dec 16 21:42:38 2022'
+14E198 CRC                   1AA0D033
+14E19C Compressed Length     0000C446
+14E1A0 Uncompressed Length   0005B768
+14E1A4 Filename Length       002F
+14E1A6 Extra Length          0000
+14E1A8 Comment Length        0000
+14E1AA Disk Start            0000
+14E1AC Int File Attributes   0000
+       [Bit 0]               0 'Binary Data'
+14E1AE Ext File Attributes   00000000
+14E1B2 Local Header Offset   000BD759
+14E1B6 Filename              'com/sun/jna/linux-
+                             loongarch64/libjnidispatch.so'