diff --git a/e2e/tests/add-task-bar/add-task-bar-date-picker.spec.ts b/e2e/tests/add-task-bar/add-task-bar-date-picker.spec.ts
new file mode 100644
index 0000000000..084fdaf94d
--- /dev/null
+++ b/e2e/tests/add-task-bar/add-task-bar-date-picker.spec.ts
@@ -0,0 +1,89 @@
+import { type Locator, type Page } from '@playwright/test';
+import { expect, test } from '../../fixtures/test.fixture';
+
+const ADD_TASK_BAR = 'add-task-bar.global';
+const ADD_TASK_INPUT = `${ADD_TASK_BAR} input`;
+const DUE_BUTTON = `${ADD_TASK_BAR} [data-test="add-task-bar-due-btn"]`;
+const SCHEDULE_DIALOG = 'dialog-schedule-task';
+const QUICK_ACCESS_BTN = `${SCHEDULE_DIALOG} .quick-access button`;
+
+const ensureGlobalAddTaskBarOpen = async (page: Page): Promise<Locator> => {
+  const addTaskInput = page.locator(ADD_TASK_INPUT).first();
+  const isVisible = await addTaskInput.isVisible().catch(() => false);
+
+  if (!isVisible) {
+    const addBtn = page.locator('.tour-addBtn').first();
+    await addBtn.waitFor({ state: 'visible', timeout: 10000 });
+    await addBtn.click();
+  }
+
+  await addTaskInput.waitFor({ state: 'visible', timeout: 10000 });
+  return addTaskInput;
+};
+
+const openScheduleDialogFromBar = async (
+  page: Page,
+): Promise<{ dialog: Locator; dueButton: Locator }> => {
+  const dueButton = page.locator(DUE_BUTTON).first();
+  await dueButton.waitFor({ state: 'visible', timeout: 10000 });
+  await dueButton.click();
+
+  const dialog = page.locator(SCHEDULE_DIALOG);
+  await dialog.waitFor({ state: 'visible', timeout: 10000 });
+
+  return { dialog, dueButton };
+};
+
+test.describe('Add Task Bar date picker', () => {
+  test.beforeEach(async ({ workViewPage }) => {
+    await workViewPage.waitForTaskList();
+  });
+
+  test('selecting Today keeps add-task-bar open and sets the date', async ({
+    page,
+    testPrefix,
+  }) => {
+    const input = await ensureGlobalAddTaskBarOpen(page);
+    await input.fill(`${testPrefix}-today quick date`);
+
+    const { dialog, dueButton } = await openScheduleDialogFromBar(page);
+    await dialog.locator(QUICK_ACCESS_BTN).first().click();
+    await dialog.waitFor({ state: 'hidden', timeout: 10000 });
+
+    await expect(page.locator(ADD_TASK_INPUT)).toBeVisible();
+    await expect(dueButton).toHaveClass(/has-value/);
+    await expect(dueButton).toContainText(/today/i);
+  });
+
+  test('selecting Tomorrow keeps add-task-bar open and sets the date', async ({
+    page,
+    testPrefix,
+  }) => {
+    const input = await ensureGlobalAddTaskBarOpen(page);
+    await input.fill(`${testPrefix}-tomorrow quick date`);
+
+    const { dialog, dueButton } = await openScheduleDialogFromBar(page);
+    await dialog.locator(QUICK_ACCESS_BTN).nth(1).click();
+    await dialog.waitFor({ state: 'hidden', timeout: 10000 });
+
+    await expect(page.locator(ADD_TASK_INPUT)).toBeVisible();
+    await expect(dueButton).toHaveClass(/has-value/);
+    await expect(dueButton).toContainText(/tomorrow/i);
+  });
+
+  test('canceling the dialog keeps add-task-bar open without setting a date', async ({
+    page,
+    testPrefix,
+  }) => {
+    const input = await ensureGlobalAddTaskBarOpen(page);
+    await input.fill(`${testPrefix}-cancel quick date`);
+
+    const { dialog, dueButton } = await openScheduleDialogFromBar(page);
+    await dialog.locator('button:has-text("Cancel")').click();
+    await dialog.waitFor({ state: 'hidden', timeout: 10000 });
+
+    await expect(page.locator(ADD_TASK_INPUT)).toBeVisible();
+    await expect(dueButton).not.toHaveClass(/has-value/);
+    await expect(dueButton).toContainText(/due/i);
+  });
+});
diff --git a/src/app/features/tasks/add-task-bar/add-task-bar-actions/add-task-bar-actions.component.html b/src/app/features/tasks/add-task-bar/add-task-bar-actions/add-task-bar-actions.component.html
index 99c9102cac..9404ca1d74 100644
--- a/src/app/features/tasks/add-task-bar/add-task-bar-actions/add-task-bar-actions.component.html
+++ b/src/app/features/tasks/add-task-bar/add-task-bar-actions/add-task-bar-actions.component.html
@@ -28,6 +28,7 @@
     <button
       mat-button
       class="action-btn"
+      data-test="add-task-bar-due-btn"
       (click)="openScheduleDialog()"
       [class.has-value]="state().date"
     >
diff --git a/src/app/features/tasks/add-task-bar/add-task-bar-actions/add-task-bar-actions.component.spec.ts b/src/app/features/tasks/add-task-bar/add-task-bar-actions/add-task-bar-actions.component.spec.ts
index 6f49687c90..5230716096 100644
--- a/src/app/features/tasks/add-task-bar/add-task-bar-actions/add-task-bar-actions.component.spec.ts
+++ b/src/app/features/tasks/add-task-bar/add-task-bar-actions/add-task-bar-actions.component.spec.ts
@@ -496,6 +496,16 @@ describe('AddTaskBarActionsComponent', () => {
         expect(dialogConfig?.data?.isSelectDueOnly).toBe(true);
       });
     });
+
+    it('should emit dialog open state changes', async () => {
+      const emitSpy = spyOn(component.scheduleDialogOpenChange, 'emit');
+      component.openScheduleDialog();
+
+      expect(emitSpy).toHaveBeenCalledWith(true);
+
+      await new Promise((resolve) => setTimeout(resolve));
+      expect(emitSpy).toHaveBeenCalledWith(false);
+    });
   });
 
   describe('Tag Operations', () => {
diff --git a/src/app/features/tasks/add-task-bar/add-task-bar-actions/add-task-bar-actions.component.ts b/src/app/features/tasks/add-task-bar/add-task-bar-actions/add-task-bar-actions.component.ts
index bf1b5e967c..9556bc763a 100644
--- a/src/app/features/tasks/add-task-bar/add-task-bar-actions/add-task-bar-actions.component.ts
+++ b/src/app/features/tasks/add-task-bar/add-task-bar-actions/add-task-bar-actions.component.ts
@@ -17,7 +17,7 @@ import { MatMenu, MatMenuItem, MatMenuTrigger } from '@angular/material/menu';
 import { first } from 'rxjs/operators';
 import { ProjectService } from '../../../project/project.service';
 import { TagService } from '../../../tag/tag.service';
-import { MatDialog } from '@angular/material/dialog';
+import { MatDialog, MatDialogRef } from '@angular/material/dialog';
 import { DialogScheduleTaskComponent } from '../../../planner/dialog-schedule-task/dialog-schedule-task.component';
 import { AddTaskBarStateService } from '../add-task-bar-state.service';
 import { AddTaskBarParserService } from '../add-task-bar-parser.service';
@@ -66,6 +66,7 @@ export class AddTaskBarActionsComponent {
   // Outputs
   estimateChanged = output<string>();
   refocus = output<void>();
+  scheduleDialogOpenChange = output<boolean>();
 
   // Menu state
   isProjectMenuOpen = signal<boolean>(false);
@@ -136,13 +137,20 @@ export class AddTaskBarActionsComponent {
 
   openScheduleDialog(): void {
     const state = this.state();
-    const dialogRef = this._matDialog.open(DialogScheduleTaskComponent, {
-      data: {
-        targetDay: state.date || undefined,
-        targetTime: state.time || undefined,
-        isSelectDueOnly: true,
-      },
-    });
+    this.scheduleDialogOpenChange.emit(true);
+    let dialogRef!: MatDialogRef<DialogScheduleTaskComponent>;
+    try {
+      dialogRef = this._matDialog.open(DialogScheduleTaskComponent, {
+        data: {
+          targetDay: state.date || undefined,
+          targetTime: state.time || undefined,
+          isSelectDueOnly: true,
+        },
+      });
+    } catch (err) {
+      this.scheduleDialogOpenChange.emit(false);
+      throw err;
+    }
 
     dialogRef.afterClosed().subscribe((result) => {
       if (result && typeof result === 'object' && result.date) {
@@ -151,6 +159,11 @@ export class AddTaskBarActionsComponent {
         this.stateService.updateRemindOption(result.remindOption);
       }
       this.refocus.emit();
+      window.setTimeout(() => {
+        if (!this._destroyRef.destroyed) {
+          this.scheduleDialogOpenChange.emit(false);
+        }
+      });
     });
   }
 
diff --git a/src/app/features/tasks/add-task-bar/add-task-bar.component.html b/src/app/features/tasks/add-task-bar/add-task-bar.component.html
index cef521fa4c..1affcacef2 100644
--- a/src/app/features/tasks/add-task-bar/add-task-bar.component.html
+++ b/src/app/features/tasks/add-task-bar/add-task-bar.component.html
@@ -109,6 +109,7 @@
       [isHideTagBtn]="!!planForDay()"
       [isHideDueBtn]="!!planForDay()"
       (refocus)="focusInput()"
+      (scheduleDialogOpenChange)="onScheduleDialogOpenChange($event)"
     ></add-task-bar-actions>
   }
 </div>
diff --git a/src/app/features/tasks/add-task-bar/add-task-bar.component.spec.ts b/src/app/features/tasks/add-task-bar/add-task-bar.component.spec.ts
index 74b2e010c7..f858df03fc 100644
--- a/src/app/features/tasks/add-task-bar/add-task-bar.component.spec.ts
+++ b/src/app/features/tasks/add-task-bar/add-task-bar.component.spec.ts
@@ -531,4 +531,33 @@ describe('AddTaskBarComponent', () => {
       expect(defaultProject).toBeUndefined();
     });
   });
+
+  describe('document click handling', () => {
+    beforeEach(() => {
+      fixture.detectChanges();
+    });
+
+    it('should emit done when clicking outside and no dialog is open', () => {
+      const doneSpy = spyOn(component.done, 'emit');
+      const event = {
+        target: document.createElement('div'),
+      } as unknown as MouseEvent;
+
+      component.onDocumentClick(event);
+
+      expect(doneSpy).toHaveBeenCalled();
+    });
+
+    it('should not emit done when schedule dialog is open', () => {
+      const doneSpy = spyOn(component.done, 'emit');
+      component.onScheduleDialogOpenChange(true);
+      const event = {
+        target: document.createElement('div'),
+      } as unknown as MouseEvent;
+
+      component.onDocumentClick(event);
+
+      expect(doneSpy).not.toHaveBeenCalled();
+    });
+  });
 });
diff --git a/src/app/features/tasks/add-task-bar/add-task-bar.component.ts b/src/app/features/tasks/add-task-bar/add-task-bar.component.ts
index 24f5b5ca4a..b5ab7d000e 100644
--- a/src/app/features/tasks/add-task-bar/add-task-bar.component.ts
+++ b/src/app/features/tasks/add-task-bar/add-task-bar.component.ts
@@ -143,6 +143,7 @@ export class AddTaskBarComponent implements AfterViewInit, OnInit, OnDestroy {
   isSearchLoading = signal(false);
   activatedSuggestion$ = new BehaviorSubject<AddTaskSuggestion | null>(null);
   isMentionListShown = signal(false);
+  isScheduleDialogOpen = signal(false);
 
   // Computed signals for projects and tags (sorted for consistency)
   projects = this._projectService.listSortedForUI;
@@ -597,7 +598,7 @@ export class AddTaskBarComponent implements AfterViewInit, OnInit, OnDestroy {
     const overlayContainer = target.closest('.cdk-overlay-container');
 
     // If click is outside the component and not on autocomplete or menu options, close it
-    if (!component && !overlayContainer) {
+    if (!component && !overlayContainer && !this.isScheduleDialogOpen()) {
       this.done.emit();
     }
   }
@@ -761,4 +762,8 @@ export class AddTaskBarComponent implements AfterViewInit, OnInit, OnDestroy {
   updateListShown(isShown: boolean): void {
     window.setTimeout(() => this.isMentionListShown.set(isShown));
   }
+
+  onScheduleDialogOpenChange(isOpen: boolean): void {
+    this.isScheduleDialogOpen.set(isOpen);
+  }
 }