diff --git a/APP/src/app/features/meal-attendance/pages/attendance-counter-page/attendance-counter-page.component.html b/APP/src/app/features/meal-attendance/pages/attendance-counter-page/attendance-counter-page.component.html
index 6179fc5..cded19a 100644
--- a/APP/src/app/features/meal-attendance/pages/attendance-counter-page/attendance-counter-page.component.html
+++ b/APP/src/app/features/meal-attendance/pages/attendance-counter-page/attendance-counter-page.component.html
@@ -5,7 +5,7 @@
     <header class="ac__head">
       <span class="ac__eyebrow">River of Life · 生命河靈糧堂</span>
       <h1 class="ac__title">Sunday Worship Count<span>主日崇拜人數統計</span></h1>
-      <div class="ac__date">{{ today | date:'fullDate' }}</div>
+      <div class="ac__date">{{ worshipSunday | date:'fullDate' }}</div>
       <div class="ac__status" [class.is-on]="connected">
         <span class="ac__dot"></span>
         {{ connected ? 'Live · 即時連線中' : 'Connecting… · 連線中' }}
diff --git a/APP/src/app/features/meal-attendance/pages/attendance-counter-page/attendance-counter-page.component.ts b/APP/src/app/features/meal-attendance/pages/attendance-counter-page/attendance-counter-page.component.ts
index b0fcb1a..094bce6 100644
--- a/APP/src/app/features/meal-attendance/pages/attendance-counter-page/attendance-counter-page.component.ts
+++ b/APP/src/app/features/meal-attendance/pages/attendance-counter-page/attendance-counter-page.component.ts
@@ -19,8 +19,20 @@ interface CounterRow {
   styleUrls: ['./attendance-counter-page.component.scss'],
 })
 export class AttendanceCounterPageComponent implements OnInit, OnDestroy {
-  /** Auto-selected current day shown in the header. */
-  readonly today = new Date();
+  /**
+   * Auto-selected Sunday of the current week, shown in the header.
+   * Sunday is the first day of the week, so this is the Sunday on or before today:
+   * getDay() returns 0 on Sunday (no shift) and 1–6 on Mon–Sat (step back that many days).
+   */
+  readonly worshipSunday = this.currentWeekSunday();
+
+  /** The Sunday that opens the week containing today. */
+  private currentWeekSunday(): Date {
+    const now = new Date();
+    const sunday = new Date(now.getFullYear(), now.getMonth(), now.getDate());
+    sunday.setDate(sunday.getDate() - now.getDay());
+    return sunday;
+  }
 
   readonly rows: CounterRow[] = [
     { key: 'adult', labelEn: 'Adult', labelZh: '成人'   },