From d0265707be0339b3068677ad71a0a7c076cc319d Mon Sep 17 00:00:00 2001
From: Stav Noy <73823626+StavNoyAkur8@users.noreply.github.com>
Date: Fri, 13 Mar 2026 17:46:19 +0100
Subject: [PATCH 1/2] make `MatMomentDateAdapterOptions.defaultOutputCalendar`
 optional

---
 src/material-luxon-adapter/adapter/luxon-date-adapter.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/material-luxon-adapter/adapter/luxon-date-adapter.ts b/src/material-luxon-adapter/adapter/luxon-date-adapter.ts
index b0a7b26cd805..b435bc46f956 100644
--- a/src/material-luxon-adapter/adapter/luxon-date-adapter.ts
+++ b/src/material-luxon-adapter/adapter/luxon-date-adapter.ts
@@ -33,7 +33,7 @@ export interface MatLuxonDateAdapterOptions {
    * Sets the output Calendar.
    * Changing this will change how Angular Material components like DatePicker output dates.
    */
-  defaultOutputCalendar: LuxonCalendarSystem;
+  defaultOutputCalendar?: LuxonCalendarSystem;
 }
 
 /** InjectionToken for LuxonDateAdapter to configure options. */

From 2e1b28695c2e72d7a5c3db21af1b94de06c5cdeb Mon Sep 17 00:00:00 2001
From: Stav Noy <73823626+StavNoyAkur8@users.noreply.github.com>
Date: Fri, 13 Mar 2026 17:49:33 +0100
Subject: [PATCH 2/2] Allow passing options through provideLuxonDateAdapter()

---
 src/material-luxon-adapter/adapter/index.ts | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/material-luxon-adapter/adapter/index.ts b/src/material-luxon-adapter/adapter/index.ts
index bd7fe020d0ac..772207b771e9 100644
--- a/src/material-luxon-adapter/adapter/index.ts
+++ b/src/material-luxon-adapter/adapter/index.ts
@@ -8,7 +8,11 @@
 
 import {NgModule, Provider} from '@angular/core';
 import {DateAdapter, MAT_DATE_FORMATS, MatDateFormats} from '@angular/material/core';
-import {LuxonDateAdapter} from './luxon-date-adapter';
+import {
+  LuxonDateAdapter,
+  MAT_LUXON_DATE_ADAPTER_OPTIONS,
+  MatLuxonDateAdapterOptions,
+} from './luxon-date-adapter';
 import {MAT_LUXON_DATE_FORMATS} from './luxon-date-formats';
 
 export * from './luxon-date-adapter';
@@ -31,12 +35,19 @@ export class MatLuxonDateModule {}
 
 export function provideLuxonDateAdapter(
   formats: MatDateFormats = MAT_LUXON_DATE_FORMATS,
+  options?: MatLuxonDateAdapterOptions,
 ): Provider[] {
-  return [
+  const providers: Provider[] = [
     {
       provide: DateAdapter,
       useClass: LuxonDateAdapter,
     },
     {provide: MAT_DATE_FORMATS, useValue: formats},
   ];
+
+  if (options) {
+    providers.push({provide: MAT_LUXON_DATE_ADAPTER_OPTIONS, useValue: options});
+  }
+
+  return providers;
 }