[kube-prometheus-stack] How to change Timezone of Alert Manager UI?

[rwlove]

Describe the bug a clear and concise description of what the bug is.

How do you change the timezone of the Alert Manager Web UI via values.yaml for kube-prometheus-stack.

I didn't see another place to ask questions. Apologies if this is the wrong place.

What's your helm version?

version.BuildInfo{Version:"v3.11", GitCommit:"", GitTreeState:"", GoVersion:"go1.20.1"}

What's your kubectl version?

1.29.2

Which chart?

kube-prometheus-stack

What's the chart version?

57.2.1

What happened?

TZ is UTC

What you expected to happen?

TZ is my actual timezone

How to reproduce it?

look at the web ui

Enter the changed values of values.yaml?

No response

Enter the command that you execute and failing/misfunctioning.

View the Web UI. Alerts are in UTC.

Anything else we need to know?

no

[jkroepke]

Try to set TZ environment variable on that container, like TZ=Europe/Berlin

[rwlove]

OK, I guess I'll give this a shot.

diff --git a/kubernetes/main/apps/monitoring/kube-prometheus-stack/app/helmrelease.yaml b/kubernetes/main/apps/monitoring/kube-prometheus-stack/app/helmrelease.yaml
index 12601c24c..b0daabfaa 100644
--- a/kubernetes/main/apps/monitoring/kube-prometheus-stack/app/helmrelease.yaml
+++ b/kubernetes/main/apps/monitoring/kube-prometheus-stack/app/helmrelease.yaml
@@ -118,6 +118,8 @@ spec:
 
       alertmanagerSpec:
         replicas: 3
+        env:
+          TZ: "${TIMEZONE}"
         storage:
           volumeClaimTemplate:
             spec:

I do have TIMEZONE defined in my cluster I use it with many other charts.