diff --git a/nuc/jellyfin-client.md b/nuc/jellyfin-client.md
index 50092f4..3eb883b 100644
--- a/nuc/jellyfin-client.md
+++ b/nuc/jellyfin-client.md
@@ -56,6 +56,7 @@ for i in $(seq 1 30); do
 done
 
 incus config set "$CNAME" environment.DEBIAN_FRONTEND=noninteractive
+incus exec "$CNAME" -- timedatectl set-timezone Europe/Paris
 
 # --- Host devices -------------------------------------------------------------
 # iGPU (card + render nodes). gid=44 = "video" group inside the container.
diff --git a/nuc/jellyfin-server.md b/nuc/jellyfin-server.md
index 03a22d1..e87ab43 100644
--- a/nuc/jellyfin-server.md
+++ b/nuc/jellyfin-server.md
@@ -34,6 +34,7 @@ for i in $(seq 1 30); do
 done
 
 incus config set "$CNAME" environment.DEBIAN_FRONTEND=noninteractive
+incus exec "$CNAME" -- timedatectl set-timezone Europe/Paris
 incus config set "$CNAME" environment.DEBCONF_NONINTERACTIVE_SEEN=true
 
 # --- Jellyfin from the official repository -----------------------------------
diff --git a/nuc/nuc-install.md b/nuc/nuc-install.md
index 08d51e9..0e01d68 100644
--- a/nuc/nuc-install.md
+++ b/nuc/nuc-install.md
@@ -250,6 +250,9 @@ Both logs rotate monthly (`/etc/logrotate.d/incus-*`).
       `/etc/systemd/system/incus.service.d/after-zfs.conf` with
       `[Unit]` / `After=zfs-mount.service zfs.target`
 - [ ] `boot.autostart=true` on blocky, privoxy, jellyfin-*
+- [ ] Timezone `Europe/Paris` on host and in every container
+      (`incus exec <ct> -- timedatectl set-timezone Europe/Paris`;
+      the install scripts in the per-container docs include it)
 - [ ] Host boots to `multi-user.target`, nothing grabs the GPU
       (required by the jellyfin-client kiosk)
 - [ ] Jellyfin web at `http://192.168.0.5:8096`, kiosk UI on HDMI,
diff --git a/nuc/transmission-bt.md b/nuc/transmission-bt.md
index cfa17fb..0747850 100644
--- a/nuc/transmission-bt.md
+++ b/nuc/transmission-bt.md
@@ -44,6 +44,7 @@ IMAGE="${IMAGE:-images:ubuntu/24.04}"
 incus launch "$IMAGE" "$CNAME"
 sleep 8
 incus config set "$CNAME" environment.DEBIAN_FRONTEND=noninteractive
+incus exec "$CNAME" -- timedatectl set-timezone Europe/Paris
 
 # static LAN config, NO default route (kill switch), /32 to the WG endpoint
 incus exec "$CNAME" -- bash -c 'cat > /etc/netplan/10-lxc.yaml <<EOF