diff --git a/Cargo.lock b/Cargo.lock
index ca71d94..e33cd7c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -427,6 +427,17 @@ dependencies = [
  "windows-link",
 ]
 
+[[package]]
+name = "chrono-tz"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6139a8597ed92cf816dfb33f5dd6cf0bb93a6adc938f11039f371bc5bcd26c3"
+dependencies = [
+ "chrono",
+ "phf",
+ "serde",
+]
+
 [[package]]
 name = "color_quant"
 version = "1.1.0"
@@ -1018,6 +1029,7 @@ dependencies = [
  "askama",
  "axum",
  "chrono",
+ "chrono-tz",
  "holzleitner-application",
  "holzleitner-domain",
  "holzleitner-infrastructure",
@@ -1045,6 +1057,7 @@ version = "0.1.0"
 dependencies = [
  "async-trait",
  "chrono",
+ "chrono-tz",
  "holzleitner-domain",
  "imagesize",
  "serde",
@@ -1070,6 +1083,7 @@ version = "0.1.0"
 dependencies = [
  "async-trait",
  "chrono",
+ "chrono-tz",
  "holzleitner-application",
  "holzleitner-domain",
  "image",
@@ -1931,6 +1945,24 @@ version = "2.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b4f627cb1b25917193a259e49bdad08f671f8d9708acfd5fe0a8c1455d87220"
 
+[[package]]
+name = "phf"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "913273894cec178f401a31ec4b656318d95473527be05c0752cc41cdc32be8b7"
+dependencies = [
+ "phf_shared",
+]
+
+[[package]]
+name = "phf_shared"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "06005508882fb681fd97892ecff4b7fd0fee13ef1aa569f8695dae7ab9099981"
+dependencies = [
+ "siphasher",
+]
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.17"
@@ -2777,6 +2809,12 @@ dependencies = [
  "time",
 ]
 
+[[package]]
+name = "siphasher"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ee5873ec9cce0195efcb7a4e9507a04cd49aec9c83d0389df45b1ef7ba2e649"
+
 [[package]]
 name = "slab"
 version = "0.4.12"
diff --git a/Cargo.toml b/Cargo.toml
index 8b3fd84..d9fff92 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,6 +19,7 @@ serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 uuid = { version = "1", features = ["serde", "v4"] }
 chrono = { version = "0.4", default-features = false, features = ["serde", "clock"] }
+chrono-tz = { version = "0.10", features = ["serde"] }
 async-trait = "0.1"
 thiserror = "2"
 tokio = { version = "1", features = ["full"] }
diff --git a/crates/api/Cargo.toml b/crates/api/Cargo.toml
index 13671ef..c735ae2 100644
--- a/crates/api/Cargo.toml
+++ b/crates/api/Cargo.toml
@@ -26,6 +26,7 @@ serde.workspace = true
 serde_json.workspace = true
 uuid.workspace = true
 chrono.workspace = true
+chrono-tz.workspace = true
 thiserror.workspace = true
 anyhow.workspace = true
 toml.workspace = true
diff --git a/crates/api/src/config.rs b/crates/api/src/config.rs
index f37355b..f8ee9a6 100644
--- a/crates/api/src/config.rs
+++ b/crates/api/src/config.rs
@@ -127,6 +127,10 @@ impl Config {
             ),
             None => tracing::info!("cfg.dev.today_override = (echte Uhr)"),
         }
+        tracing::info!(
+            timezone = self.server.timezone.name(),
+            "cfg.server.timezone (für 'heute'-Ableitung + Anzeige von UTC-Zeitstempeln)"
+        );
         if self.dev.sync_enabled {
             tracing::warn!(
                 "cfg.DEV: dev.sync_enabled AKTIV — ungeschützter Endpoint \
@@ -374,6 +378,21 @@ fn default_report_retry_cron() -> String {
 pub struct ServerConfig {
     pub host: String,
     pub port: u16,
+    /// Fach-/Anzeige-Zeitzone (IANA-Name, z. B. `Europe/Berlin`).
+    ///
+    /// Zeitstempel werden durchgängig als UTC gespeichert (`TIMESTAMPTZ`,
+    /// `DateTime<Utc>`). Diese Zone gilt für alles, was ein **Kalenderdatum**
+    /// oder eine **Wanduhrzeit** braucht: „heute" für Touren/Import-Cron,
+    /// Datumsangaben im Lieferbericht und in der Belegansicht sowie die
+    /// ERP-Rückschreibung (`delivered_at`). Bewusst konfiguriert statt der
+    /// OS-Zeitzone des Servers (`chrono::Local`), damit das Verhalten nicht
+    /// von der Systemeinstellung des Hosts abhängt.
+    #[serde(default = "default_timezone")]
+    pub timezone: chrono_tz::Tz,
+}
+
+fn default_timezone() -> chrono_tz::Tz {
+    chrono_tz::Europe::Berlin
 }
 
 #[derive(Debug, Clone, Deserialize)]
diff --git a/crates/api/src/main.rs b/crates/api/src/main.rs
index 244d964..bcca54f 100644
--- a/crates/api/src/main.rs
+++ b/crates/api/src/main.rs
@@ -215,8 +215,10 @@ pub(crate) async fn run_app(
     let car_repository = Arc::new(PgCarRepository::new(pool.clone()));
     let payment_method_repository = Arc::new(PgPaymentMethodRepository::new(pool.clone()));
     let delivery_credit_repository = Arc::new(PgDeliveryCreditRepository::new(pool.clone()));
-    let delivery_completion_repository =
-        Arc::new(PgDeliveryCompletionRepository::new(pool.clone()));
+    let delivery_completion_repository = Arc::new(PgDeliveryCompletionRepository::new(
+        pool.clone(),
+        cfg.server.timezone,
+    ));
     let service_repository = Arc::new(PgServiceRepository::new(pool.clone()));
     let delivery_service_repository = Arc::new(PgDeliveryServiceRepository::new(pool.clone()));
     let report_repository = Arc::new(PgDeliveryReportRepository::new(pool.clone()));
@@ -246,7 +248,7 @@ pub(crate) async fn run_app(
     );
     let generate_delivery_report = Arc::new(GenerateDeliveryReportUseCase::new(
         report_repository,
-        Arc::new(PdfDeliveryReportRenderer),
+        Arc::new(PdfDeliveryReportRenderer::new(cfg.server.timezone)),
         report_sink.clone(),
         signature_storage.clone(),
         attachment_storage.clone(),
@@ -301,6 +303,7 @@ pub(crate) async fn run_app(
     let list_my_tours_today = Arc::new(ListMyToursTodayUseCase::new(
         tour_repository.clone(),
         cfg.dev.today_override,
+        cfg.server.timezone,
     ));
     let sync_tour = Arc::new(SyncTourUseCase::new(tour_repository.clone()));
     // ERP-Import (täglicher Pull aus ERPframe-MSSQL) — nutzt denselben
@@ -465,6 +468,7 @@ pub(crate) async fn run_app(
         sync_tour,
         set_delivery_order,
         import_erp_tours: import_erp_tours.clone(),
+        timezone: cfg.server.timezone,
         dev_resync_tours,
         dev_reset_delivery,
         generate_delivery_report,
@@ -556,10 +560,14 @@ pub(crate) async fn run_app(
             .context("JobScheduler konnte nicht erstellt werden")?;
         let import = import_erp_tours.clone();
         let offset = cfg.import.date_offset_days;
+        let tz = cfg.server.timezone;
         let job = Job::new_async(cfg.import.cron.as_str(), move |_uuid, _lock| {
             let import = import.clone();
             Box::pin(async move {
-                let date = (chrono::Local::now() + chrono::Duration::days(offset)).date_naive();
+                // Kalendertag in der konfigurierten Zone (nicht OS-Local).
+                let date = (chrono::Utc::now().with_timezone(&tz)
+                    + chrono::Duration::days(offset))
+                .date_naive();
                 match import.execute_with(date, SyncTrigger::Scheduler).await {
                     Ok(summary) => tracing::info!(
                         date = %summary.date,
@@ -591,8 +599,11 @@ pub(crate) async fn run_app(
             let import = import_erp_tours.clone();
             let sync_runs = sync_run_repository.clone();
             let offset = cfg.import.date_offset_days;
+            let tz = cfg.server.timezone;
             tokio::spawn(async move {
-                let date = (chrono::Local::now() + chrono::Duration::days(offset)).date_naive();
+                let date = (chrono::Utc::now().with_timezone(&tz)
+                    + chrono::Duration::days(offset))
+                .date_naive();
                 match sync_runs.has_successful_run_for(date).await {
                     Ok(true) => tracing::info!(
                         %date,
diff --git a/crates/api/src/routes/admin.rs b/crates/api/src/routes/admin.rs
index cb60e45..3f62634 100644
--- a/crates/api/src/routes/admin.rs
+++ b/crates/api/src/routes/admin.rs
@@ -82,7 +82,9 @@ pub async fn import_erp(
                 "ungültiges Datum '{s}' (erwartet YYYY-MM-DD): {e}"
             )))
         })?,
-        None => chrono::Local::now().date_naive(),
+        None => chrono::Utc::now()
+            .with_timezone(&state.timezone)
+            .date_naive(),
     };
     tracing::info!(%date, "admin.import_erp");
     let summary = state.import_erp_tours.execute(date).await?;
diff --git a/crates/api/src/routes/belege_view.rs b/crates/api/src/routes/belege_view.rs
index 9078002..cb8591e 100644
--- a/crates/api/src/routes/belege_view.rs
+++ b/crates/api/src/routes/belege_view.rs
@@ -25,7 +25,7 @@ pub async fn belege_details_html(
 ) -> Result<Html<String>, ApiError> {
     tracing::info!(%belegnummer, "admin.belege_details_html");
     let details = state.get_delivery_details.execute(&belegnummer).await?;
-    let page = build_page(details);
+    let page = build_page(details, state.timezone);
     let html = page.render().map_err(|e| {
         ApiError(ApplicationError::Unexpected(format!(
             "template-render fehlgeschlagen: {e}"
@@ -112,7 +112,7 @@ struct ContactSourceVm {
 
 // ===== Assembly ============================================================
 
-fn build_page(d: DeliveryDetails) -> DeliveryDetailsPage {
+fn build_page(d: DeliveryDetails, tz: chrono_tz::Tz) -> DeliveryDetailsPage {
     let delivery = &d.delivery.delivery;
 
     // Positionen: Artikel-/Lagernamen auflösen, Mengen/Preise formatieren.
@@ -171,7 +171,7 @@ fn build_page(d: DeliveryDetails) -> DeliveryDetailsPage {
         .map(|n| NoteVm {
             text: n.text.clone().unwrap_or_default(),
             author: n.author_personalnummer,
-            created_at: fmt_datetime(n.created_at),
+            created_at: fmt_datetime(n.created_at, tz),
             credit_note: n.is_amount_credit_note || n.credit_delivery_item_id.is_some(),
             image: n.image_attachment.is_some(),
         })
@@ -253,7 +253,7 @@ fn build_page(d: DeliveryDetails) -> DeliveryDetailsPage {
         services,
         notes,
         contacts,
-        generated_at: fmt_datetime(chrono::Utc::now()),
+        generated_at: fmt_datetime(chrono::Utc::now(), tz),
     }
 }
 
@@ -311,10 +311,10 @@ fn fmt_date(d: chrono::NaiveDate) -> String {
     d.format("%d.%m.%Y").to_string()
 }
 
-fn fmt_datetime(dt: chrono::DateTime<chrono::Utc>) -> String {
-    dt.with_timezone(&chrono::Local)
-        .format("%d.%m.%Y %H:%M")
-        .to_string()
+/// UTC-Zeitstempel in der konfigurierten Zone (`server.timezone`) als
+/// `TT.MM.JJJJ HH:MM` — bewusst nicht `chrono::Local` (OS-Zone des Hosts).
+fn fmt_datetime(dt: chrono::DateTime<chrono::Utc>, tz: chrono_tz::Tz) -> String {
+    dt.with_timezone(&tz).format("%d.%m.%Y %H:%M").to_string()
 }
 
 fn state_label(s: DeliveryState) -> &'static str {
diff --git a/crates/api/src/routes/dev.rs b/crates/api/src/routes/dev.rs
index e6ecf6c..9a1cdb1 100644
--- a/crates/api/src/routes/dev.rs
+++ b/crates/api/src/routes/dev.rs
@@ -50,7 +50,9 @@ pub async fn dev_resync(
                 "ungültiges Datum '{s}' (erwartet YYYY-MM-DD): {e}"
             )))
         })?,
-        None => chrono::Local::now().date_naive(),
+        None => chrono::Utc::now()
+            .with_timezone(&state.timezone)
+            .date_naive(),
     };
     tracing::warn!(%date, "dev.resync: Postgres wird überschrieben + neu importiert");
     let summary = state.dev_resync_tours.execute(date).await?;
diff --git a/crates/api/src/state.rs b/crates/api/src/state.rs
index 9516900..b1d6a66 100644
--- a/crates/api/src/state.rs
+++ b/crates/api/src/state.rs
@@ -34,6 +34,9 @@ pub struct AppState {
     pub list_my_tours_today: Arc<ListMyToursTodayUseCase>,
     pub sync_tour: Arc<SyncTourUseCase>,
     pub import_erp_tours: Arc<ImportErpToursUseCase>,
+    /// Konfigurierte Fach-/Anzeige-Zeitzone (`server.timezone`) — für
+    /// „heute"-Ableitungen in Handlern und die Darstellung von UTC-Zeitstempeln.
+    pub timezone: chrono_tz::Tz,
     /// DEV-ONLY: überschreibender Resync (löscht Postgres + importiert neu).
     pub dev_resync_tours: Arc<DevResyncToursUseCase>,
     /// DEV-ONLY: setzt eine einzelne Lieferung (per Belegnummer) zurück.
diff --git a/crates/application/Cargo.toml b/crates/application/Cargo.toml
index 2fb301c..c753cb2 100644
--- a/crates/application/Cargo.toml
+++ b/crates/application/Cargo.toml
@@ -17,6 +17,7 @@ async-trait.workspace = true
 thiserror.workspace = true
 uuid.workspace = true
 chrono.workspace = true
+chrono-tz.workspace = true
 sha2.workspace = true
 imagesize.workspace = true
 utoipa = { workspace = true, optional = true }
diff --git a/crates/application/src/usecases/list_my_tours_today.rs b/crates/application/src/usecases/list_my_tours_today.rs
index 9ae8d14..b0758a0 100644
--- a/crates/application/src/usecases/list_my_tours_today.rs
+++ b/crates/application/src/usecases/list_my_tours_today.rs
@@ -1,6 +1,7 @@
 use std::sync::Arc;
 
-use chrono::{Local, NaiveDate};
+use chrono::{NaiveDate, Utc};
+use chrono_tz::Tz;
 
 use crate::dto::TourSummary;
 use crate::error::ApplicationError;
@@ -22,13 +23,20 @@ use crate::ports::TourRepository;
 pub struct ListMyToursTodayUseCase {
     repository: Arc<dyn TourRepository>,
     today_override: Option<NaiveDate>,
+    /// Fach-Zeitzone (`server.timezone`), in der „heute" bestimmt wird.
+    tz: Tz,
 }
 
 impl ListMyToursTodayUseCase {
-    pub fn new(repository: Arc<dyn TourRepository>, today_override: Option<NaiveDate>) -> Self {
+    pub fn new(
+        repository: Arc<dyn TourRepository>,
+        today_override: Option<NaiveDate>,
+        tz: Tz,
+    ) -> Self {
         Self {
             repository,
             today_override,
+            tz,
         }
     }
 
@@ -37,14 +45,15 @@ impl ListMyToursTodayUseCase {
         personalnummer: i64,
         requested_date: Option<NaiveDate>,
     ) -> Result<Vec<TourSummary>, ApplicationError> {
-        // Bewusst Local statt Utc: der Tagesumschlag muss sich nach der
-        // Ortszeit des Fahrers richten. Mit Utc wechselt "heute" erst um
-        // 02:00 Ortszeit (CEST = UTC+2) — bis dahin sähe der Fahrer nach
-        // Mitternacht noch die Touren von gestern. Der Server läuft in
-        // Europe/Vienna, daher ist Local hier korrekt.
+        // Der Tagesumschlag muss sich nach der Ortszeit des Fahrers richten:
+        // mit reinem Utc wechselte "heute" erst um 02:00 Ortszeit (CEST =
+        // UTC+2) — bis dahin sähe der Fahrer nach Mitternacht noch die Touren
+        // von gestern. Daher der UTC-Instant → konfigurierte Fach-Zeitzone
+        // (`server.timezone`) → Kalendertag. Bewusst NICHT `chrono::Local`:
+        // das wäre die OS-Zone des Hosts und damit einstellungsabhängig.
         let date = requested_date
             .or(self.today_override)
-            .unwrap_or_else(|| Local::now().date_naive());
+            .unwrap_or_else(|| Utc::now().with_timezone(&self.tz).date_naive());
         self.repository
             .find_today_for_driver(personalnummer, date)
             .await
diff --git a/crates/infrastructure/Cargo.toml b/crates/infrastructure/Cargo.toml
index e50aebe..00bf8b8 100644
--- a/crates/infrastructure/Cargo.toml
+++ b/crates/infrastructure/Cargo.toml
@@ -14,6 +14,7 @@ serde.workspace = true
 serde_json.workspace = true
 uuid.workspace = true
 chrono.workspace = true
+chrono-tz.workspace = true
 tokio.workspace = true
 tokio-util.workspace = true
 sqlx.workspace = true
diff --git a/crates/infrastructure/src/persistence/delivery_completion_repository.rs b/crates/infrastructure/src/persistence/delivery_completion_repository.rs
index 9b69de9..e2be472 100644
--- a/crates/infrastructure/src/persistence/delivery_completion_repository.rs
+++ b/crates/infrastructure/src/persistence/delivery_completion_repository.rs
@@ -21,11 +21,15 @@ use holzleitner_domain::{Address, Delivery, DeliveryState};
 
 pub struct PgDeliveryCompletionRepository {
     pool: PgPool,
+    /// Fach-Zeitzone (`server.timezone`) für Kalendertag-Filter auf
+    /// `completed_at` (TIMESTAMPTZ) und die ERP-Rückschreibung als lokale
+    /// Wanduhrzeit — statt hardcodiertem 'Europe/Berlin' bzw. OS-`Local`.
+    tz: chrono_tz::Tz,
 }
 
 impl PgDeliveryCompletionRepository {
-    pub fn new(pool: PgPool) -> Self {
-        Self { pool }
+    pub fn new(pool: PgPool, tz: chrono_tz::Tz) -> Self {
+        Self { pool, tz }
     }
 }
 
@@ -434,9 +438,9 @@ impl DeliveryCompletionRepository for PgDeliveryCompletionRepository {
         Ok(ErpWritebackData {
             belegart_id,
             belegnummer,
-            // ERP erwartet lokale Zeit; completed_at ist UTC → in lokale
-            // Wanduhrzeit umrechnen und die TZ-Info fallenlassen.
-            delivered_at: completed_at.with_timezone(&chrono::Local).naive_local(),
+            // ERP erwartet lokale Zeit; completed_at ist UTC → in die
+            // konfigurierte Fach-Zeitzone umrechnen und die TZ-Info fallenlassen.
+            delivered_at: completed_at.with_timezone(&self.tz).naive_local(),
             lines,
             credit_amount_cents,
             payment_method_code,
@@ -450,10 +454,10 @@ impl DeliveryCompletionRepository for PgDeliveryCompletionRepository {
         // INNER JOIN auf delivery_completions ⇒ nur ausgelieferte (abgeschlossene)
         // Lieferungen. `mail_sent_at IS NULL` ⇒ nur noch nicht versendete
         // (server-seitiges Dedup für den Mailclient). Der optionale Tagesfilter:
-        // bei NULL ($1) ⇒ ALLE offenen über alle Tage; sonst der Berliner
-        // Kalendertag von completed_at (TIMESTAMPTZ = UTC-Instant → AT TIME ZONE
-        // 'Europe/Berlin' → ::date), damit ein Abschluss um 23:30 Ortszeit nicht
-        // fälschlich dem UTC-Folgetag zugeordnet wird.
+        // bei NULL ($1) ⇒ ALLE offenen über alle Tage; sonst der Kalendertag
+        // von completed_at in der konfigurierten Fach-Zeitzone ($2, TIMESTAMPTZ =
+        // UTC-Instant → AT TIME ZONE → ::date), damit ein Abschluss um 23:30
+        // Ortszeit nicht fälschlich dem UTC-Folgetag zugeordnet wird.
         let belegnummern: Vec<String> = sqlx::query_scalar(
             r#"
             SELECT d.erp_belegnummer
@@ -461,11 +465,12 @@ impl DeliveryCompletionRepository for PgDeliveryCompletionRepository {
             JOIN delivery_completions c ON c.delivery_id = d.id
             WHERE c.mail_sent_at IS NULL
               AND ( $1::date IS NULL
-                    OR (c.completed_at AT TIME ZONE 'Europe/Berlin')::date = $1 )
+                    OR (c.completed_at AT TIME ZONE $2::text)::date = $1 )
             ORDER BY c.completed_at
             "#,
         )
         .bind(day)
+        .bind(self.tz.name())
         .fetch_all(&self.pool)
         .await
         .map_err(db)?;
@@ -509,14 +514,15 @@ impl DeliveryCompletionRepository for PgDeliveryCompletionRepository {
             FROM deliveries d
             JOIN delivery_completions c ON c.delivery_id = d.id
             WHERE ( $1::date IS NULL
-                    OR (c.completed_at AT TIME ZONE 'Europe/Berlin')::date >= $1 )
+                    OR (c.completed_at AT TIME ZONE $3::text)::date >= $1 )
               AND ( $2::date IS NULL
-                    OR (c.completed_at AT TIME ZONE 'Europe/Berlin')::date <= $2 )
+                    OR (c.completed_at AT TIME ZONE $3::text)::date <= $2 )
             ORDER BY c.completed_at
             "#,
         )
         .bind(from)
         .bind(to)
+        .bind(self.tz.name())
         .fetch_all(&self.pool)
         .await
         .map_err(db)?;
diff --git a/crates/infrastructure/src/report/renderer.rs b/crates/infrastructure/src/report/renderer.rs
index 1ca591c..26288c9 100644
--- a/crates/infrastructure/src/report/renderer.rs
+++ b/crates/infrastructure/src/report/renderer.rs
@@ -41,7 +41,19 @@ fn cents(c: i64) -> String {
     money(c as f64 / 100.0)
 }
 
-pub struct PdfDeliveryReportRenderer;
+/// Rendert den Lieferbericht als PDF. Alle Zeitstempel in den Report-Daten
+/// sind UTC; für die Darstellung werden sie in die konfigurierte Fach-Zeitzone
+/// (`server.timezone`, z. B. Europe/Berlin) umgerechnet — sonst stünde z. B.
+/// „08.09. 22:54" statt „09.09. 00:54" im Bericht.
+pub struct PdfDeliveryReportRenderer {
+    tz: chrono_tz::Tz,
+}
+
+impl PdfDeliveryReportRenderer {
+    pub fn new(tz: chrono_tz::Tz) -> Self {
+        Self { tz }
+    }
+}
 
 struct Pdf {
     doc: PdfDocumentReference,
@@ -322,8 +334,9 @@ fn ext<E: std::fmt::Display>(e: E) -> ApplicationError {
     ApplicationError::Repository(format!("pdf: {e}"))
 }
 
-fn dt(d: &chrono::DateTime<chrono::Utc>) -> String {
-    d.format("%d.%m.%Y %H:%M").to_string()
+/// UTC-Instant → Wanduhrzeit in der konfigurierten Zone, `TT.MM.JJJJ HH:MM`.
+fn dt(tz: chrono_tz::Tz, d: &chrono::DateTime<chrono::Utc>) -> String {
+    d.with_timezone(&tz).format("%d.%m.%Y %H:%M").to_string()
 }
 fn opt(s: &Option<String>) -> &str {
     s.as_deref().unwrap_or("—")
@@ -405,12 +418,12 @@ impl DeliveryReportRenderer for PdfDeliveryReportRenderer {
         p.kv("Status", state_de(&d.state));
         p.kv("Tourdatum", &d.tour_date.format("%d.%m.%Y").to_string());
         match &d.completion {
-            Some(c) => p.kv("Abgeschlossen", &dt(&c.completed_at)),
+            Some(c) => p.kv("Abgeschlossen", &dt(self.tz, &c.completed_at)),
             None => p.kv("Abgeschlossen", "— (nicht abgeschlossen)"),
         }
         p.kv("Fahrer", &format!("{} ({})", d.driver_name, d.driver_personalnummer));
         p.kv("Fahrzeug", opt(&d.car_plate));
-        p.kv("Erstellt am", &dt(&d.generated_at));
+        p.kv("Erstellt am", &dt(self.tz, &d.generated_at));
 
         // 2. Kunde & Lieferadresse
         p.heading("Kunde & Lieferadresse");
@@ -506,7 +519,7 @@ impl DeliveryReportRenderer for PdfDeliveryReportRenderer {
             if let Some(collected) = c.collected_amount_cents {
                 p.kv(
                     "Betrag erhalten",
-                    &format!("Ja — {} (am {})", cents(collected), dt(&c.completed_at)),
+                    &format!("Ja — {} (am {})", cents(collected), dt(self.tz, &c.completed_at)),
                 );
             }
         }
@@ -542,7 +555,7 @@ impl DeliveryReportRenderer for PdfDeliveryReportRenderer {
             p.text("— keine —", 9.0, false, 0.0);
         } else {
             for n in &d.notes {
-                let mut head = format!("{} · Fahrer {}", dt(&n.created_at), n.author_personalnummer);
+                let mut head = format!("{} · Fahrer {}", dt(self.tz, &n.created_at), n.author_personalnummer);
                 if n.is_amount_credit_note {
                     head.push_str(" · [Gutschrift-Notiz]");
                 }
@@ -564,7 +577,7 @@ impl DeliveryReportRenderer for PdfDeliveryReportRenderer {
             Some(c) => {
                 // Es gibt nur EINEN Abschlusszeitpunkt (completed_at) — er gilt
                 // für beide Bestätigungen und wird hier neben den Häkchen gezeigt.
-                let bestätigt_am = dt(&c.completed_at);
+                let bestätigt_am = dt(self.tz, &c.completed_at);
                 let receipt = if c.receipt_confirmed {
                     format!("Ja (am {bestätigt_am})")
                 } else {
@@ -615,7 +628,7 @@ impl DeliveryReportRenderer for PdfDeliveryReportRenderer {
                 }
                 p.row(
                     &[
-                        (dt(&s.server_recorded_at), 30.0, false),
+                        (dt(self.tz, &s.server_recorded_at), 30.0, false),
                         (action, 20.0, false),
                         (art, 58.0, false),
                         (format!("{:+}", s.delta), 10.0, false),
@@ -652,7 +665,7 @@ impl DeliveryReportRenderer for PdfDeliveryReportRenderer {
             for c in &d.credit_audit {
                 p.row(
                     &[
-                        (dt(&c.recorded_at), 34.0, false),
+                        (dt(self.tz, &c.recorded_at), 34.0, false),
                         (credit_action_de(&c.action).to_string(), 22.0, false),
                         (cents(c.amount_cents), 26.0, false),
                         (c.author_personalnummer.to_string(), 20.0, false),
@@ -674,7 +687,7 @@ impl DeliveryReportRenderer for PdfDeliveryReportRenderer {
                     a.filename.clone().unwrap_or_else(|| "(ohne Name)".into()),
                     a.mime_type,
                     a.size_bytes / 1024,
-                    dt(&a.uploaded_at),
+                    dt(self.tz, &a.uploaded_at),
                     a.uploaded_by
                 );
                 p.text(&meta, 8.0, true, 0.0);
@@ -688,7 +701,7 @@ impl DeliveryReportRenderer for PdfDeliveryReportRenderer {
         // 11. Footer
         p.gap(4.0);
         p.text(
-            &format!("Automatisch erzeugt am {} — Holzleitner Auslieferung", dt(&d.generated_at)),
+            &format!("Automatisch erzeugt am {} — Holzleitner Auslieferung", dt(self.tz, &d.generated_at)),
             7.0,
             false,
             0.0,