From a14b40549162da3da4959825c106c55f76a04b0a Mon Sep 17 00:00:00 2001
From: cato447 <simon@bussmann.es>
Date: Fri, 10 Jul 2026 01:22:21 +0200
Subject: [PATCH] added timezone

To use the correct timezone add TZ=<Zone> to your .env file
---
 README.md          | 4 ++++
 docker-compose.yml | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/README.md b/README.md
index af5e50e..c83906e 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,10 @@ GRAFANA_ADMIN_PASSWORD=changeme
 
 # Optional: seconds between ping iterations (default 5)
 #PING_INTERVAL=5
+
+# Optional: timezone for dashboard labels computed in SQL, e.g. the
+# hourly/weekday patterns and the raw data table (default UTC)
+#TZ=Europe/Berlin
 ```
 
 Start the containers:
diff --git a/docker-compose.yml b/docker-compose.yml
index 23caea9..16a07cd 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -49,6 +49,9 @@ services:
       - GF_AUTH_ANONYMOUS_ORG_NAME=Main Org.
       - GF_AUTH_ANONYMOUS_ORG_ROLE=Viewer
       - GF_AUTH_ANONYMOUS_HIDE_VERSION=true
+      # SQL-computed labels (patterns, raw table, SLA day grouping) use SQLite's
+      # 'localtime', which resolves to this container's timezone.
+      - TZ=${TZ:-Etc/UTC}
     volumes:
       # :ro because any Grafana viewer (incl. anonymous) can send arbitrary SQL
       # to the datasource API; the mount and mode=ro keep that harmless.