From e1f352a86cce360dcc49dd8e564af9c83668459b Mon Sep 17 00:00:00 2001
From: fetis <fetis26@gmail.com>
Date: Thu, 28 Jan 2021 16:46:31 +0100
Subject: [PATCH] fix(material/core): native adapter uses locale data

---
 src/material/core/datetime/native-date-adapter.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/material/core/datetime/native-date-adapter.ts b/src/material/core/datetime/native-date-adapter.ts
index abdaf3cd6db7..1aa7cd44992a 100644
--- a/src/material/core/datetime/native-date-adapter.ts
+++ b/src/material/core/datetime/native-date-adapter.ts
@@ -8,6 +8,7 @@
 
 import {Platform} from '@angular/cdk/platform';
 import {Inject, Injectable, Optional} from '@angular/core';
+import {getLocaleFirstDayOfWeek} from '@angular/common';
 import {DateAdapter, MAT_DATE_LOCALE} from './date-adapter';
 
 /**
@@ -85,8 +86,7 @@ export class NativeDateAdapter extends DateAdapter<Date> {
   }
 
   getFirstDayOfWeek(): number {
-    // We can't tell using native JS Date what the first day of the week is, we default to Sunday.
-    return 0;
+    return getLocaleFirstDayOfWeek(this.locale);
   }
 
   getNumDaysInMonth(date: Date): number {