To help debugging, add the time zone to the Maven banner

[garydgregory]

New feature, improvement proposal

The current banner reports, for example:

Apache Maven 3.9.12 (848fbb4bf2d427b72bdb2471c22fced7ebd9a7a1)
Maven home: /usr/share/apache-maven-3.9.12
Java version: 25.0.1, vendor: Eclipse Adoptium, runtime: /usr/lib/jvm/temurin-25-jdk-amd64
Default locale: en, platform encoding: UTF-8
OS name: "linux", version: "6.11.0-1018-azure", arch: "amd64", family: "unix"

It would be helpful in debugging builds, especially on remote CIs, to report the time zone, for example:

...
Default locale: en, platform encoding: UTF-8, time zone: America/New_York
...

[assokhi]

Hi @garydgregory , I’d like to work on this improvement and submit a PR. Could I work on it?

[garydgregory]

Hello @assokhi

I just wrote the feature request. Go for it 😉

[chanani]

Hi @garydgregory and @assokhi,

I'd like to work on this issue if it's still available.

Proposed approach:

1. Locate the banner output code in MavenCli or invoker classes
2. Add timezone information using ZoneId.systemDefault()
3. Update banner format to include: Timezone: America/New_York (UTC-05:00)
4. Add unit tests for the new output

Can I proceed with this implementation?