diff --git a/src/constants/CoreEvents.ts b/src/constants/CoreEvents.ts
index 06d4b6f..52b285d 100644
--- a/src/constants/CoreEvents.ts
+++ b/src/constants/CoreEvents.ts
@@ -13,11 +13,10 @@ export const CoreEvents = {
   VIEW_RENDERED: 'view:rendered',
   WORKWEEK_CHANGED: 'workweek:changed',
   
-  // Navigation events (5)
+  // Navigation events (4)
   NAV_BUTTON_CLICKED: 'nav:button-clicked',
   DATE_CHANGED: 'nav:date-changed',
   NAVIGATION_COMPLETED: 'nav:navigation-completed',
-  PERIOD_INFO_UPDATE: 'nav:period-info-update',
   NAVIGATE_TO_EVENT: 'nav:navigate-to-event',
   
   // Data events (5)
diff --git a/src/managers/NavigationManager.ts b/src/managers/NavigationManager.ts
index da415eb..5f9693f 100644
--- a/src/managers/NavigationManager.ts
+++ b/src/managers/NavigationManager.ts
@@ -47,10 +47,6 @@ export class NavigationManager {
 
 
   private setupEventListeners(): void {
-    // Initial DOM update when calendar is initialized
-    this.eventBus.on(CoreEvents.INITIALIZED, () => {
-      this.updateWeekInfo();
-    });
 
     // Listen for filter changes and apply to pre-rendered grids
     this.eventBus.on(CoreEvents.FILTER_CHANGED, (e: Event) => {
@@ -239,29 +235,12 @@ export class NavigationManager {
         this.currentWeek = new Date(this.targetWeek);
       }
 
-      // Update week info and notify other managers
-      this.updateWeekInfo();
-
-      // Emit period change event for ScrollManager
+      // Emit navigation completed event
       this.eventBus.emit(CoreEvents.NAVIGATION_COMPLETED, {
         direction,
-        currentDate: this.currentWeek
+        newDate: this.currentWeek
       });
 
     });
   }
-
-  private updateWeekInfo(): void {
-    const weekNumber = this.dateService.getWeekNumber(this.currentWeek);
-    const weekEnd = this.dateService.addDays(this.currentWeek, 6);
-    const dateRange = this.dateService.formatDateRange(this.currentWeek, weekEnd);
-
-    // Notify other managers about week info update - DOM manipulation should happen via events
-    this.eventBus.emit(CoreEvents.PERIOD_INFO_UPDATE, {
-      weekNumber,
-      dateRange,
-      weekStart: this.currentWeek,
-      weekEnd
-    });
-  }
 }
\ No newline at end of file
diff --git a/src/renderers/WeekInfoRenderer.ts b/src/renderers/WeekInfoRenderer.ts
index 5ee6149..bcf516a 100644
--- a/src/renderers/WeekInfoRenderer.ts
+++ b/src/renderers/WeekInfoRenderer.ts
@@ -1,6 +1,7 @@
 import { IEventBus } from '../types/CalendarTypes';
 import { CoreEvents } from '../constants/CoreEvents';
 import { EventRenderingService } from './EventRendererManager';
+import { DateService } from '../utils/DateService';
 
 /**
  * WeekInfoRenderer - Handles DOM rendering for week info display
@@ -11,9 +12,15 @@ import { EventRenderingService } from './EventRendererManager';
 
 export class WeekInfoRenderer {
   private eventBus: IEventBus;
+  private dateService: DateService;
 
-  constructor(eventBus: IEventBus, eventRenderer: EventRenderingService) {
+  constructor(
+    eventBus: IEventBus,
+    eventRenderer: EventRenderingService,
+    dateService: DateService
+  ) {
     this.eventBus = eventBus;
+    this.dateService = dateService;
     this.setupEventListeners();
   }
 
@@ -23,9 +30,15 @@ export class WeekInfoRenderer {
    * Setup event listeners for DOM updates
    */
   private setupEventListeners(): void {
-    this.eventBus.on(CoreEvents.PERIOD_INFO_UPDATE, (event: Event) => {
+    this.eventBus.on(CoreEvents.NAVIGATION_COMPLETED, (event: Event) => {
       const customEvent = event as CustomEvent;
-      const { weekNumber, dateRange } = customEvent.detail;
+      const { newDate } = customEvent.detail;
+
+      // Calculate week number and date range from the new date
+      const weekNumber = this.dateService.getWeekNumber(newDate);
+      const weekEnd = this.dateService.addDays(newDate, 6);
+      const dateRange = this.dateService.formatDateRange(newDate, weekEnd);
+
       this.updateWeekInfoInDOM(weekNumber, dateRange);
     });
   }