diff --git a/Dockerfile b/Dockerfile
index 689d343..7cb5185 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ FROM ubuntu:20.04
 ENV DEBIAN_FRONTEND=noninteractive
 
 # ---- Time zone (fix echo to expand $TZ) ----
-ENV TZ=America/Detroit
+ENV TZ=America/Los_Angeles
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime \
  && echo "$TZ" > /etc/timezone