Why is the Timezone: America/Sao_paulo - build-helper-Maven-plugin configuration not displayed?

Question

It works for America/Detroit, but it doesn’t work for America/Sao_paulo, what can it be? The locale must remain en_US?

         <plugin>
            <groupId>org.codehaus.mojo</groupId>
            <artifactId>build-helper-maven-plugin</artifactId>
            <version>1.10</version>
            <executions>
                <execution>
                    <id>timestamp-property</id>
                    <goals>
                        <goal>timestamp-property</goal>
                    </goals>
                    <configuration>
                        <name>build.time</name>
                        <pattern>yyyyMMdd_hhmm</pattern>
                        <locale>en_US</locale>
                        <timeZone>America/Detroit</timeZone>
                    </configuration>
                </execution>
            </executions>
        </plugin>
    </plugins>