diff --git a/api/current.txt b/api/current.txt
index fd72d340da475..f59fd4fe7be27 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -37562,6 +37562,7 @@ package android.widget {
     method public android.widget.CalendarView getCalendarView();
     method public boolean getCalendarViewShown();
     method public int getDayOfMonth();
+    method public int getFirstDayOfWeek();
     method public long getMaxDate();
     method public long getMinDate();
     method public int getMonth();
@@ -37569,6 +37570,7 @@ package android.widget {
     method public int getYear();
     method public void init(int, int, int, android.widget.DatePicker.OnDateChangedListener);
     method public void setCalendarViewShown(boolean);
+    method public void setFirstDayOfWeek(int);
     method public void setMaxDate(long);
     method public void setMinDate(long);
     method public void setSpinnersShown(boolean);
diff --git a/core/java/android/widget/DatePicker.java b/core/java/android/widget/DatePicker.java
index 2729bd084a559..d77f0b2b6e8c0 100644
--- a/core/java/android/widget/DatePicker.java
+++ b/core/java/android/widget/DatePicker.java
@@ -125,6 +125,7 @@ public class DatePicker extends FrameLayout {
         final TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.DatePicker,
                 defStyleAttr, defStyleRes);
         final int mode = a.getInt(R.styleable.DatePicker_datePickerMode, MODE_SPINNER);
+        final int firstDayOfWeek = a.getInt(R.styleable.DatePicker_firstDayOfWeek, 0);
         a.recycle();
 
         switch (mode) {
@@ -136,6 +137,10 @@ public class DatePicker extends FrameLayout {
                 mDelegate = createSpinnerUIDelegate(context, attrs, defStyleAttr, defStyleRes);
                 break;
         }
+
+        if (firstDayOfWeek != 0) {
+            setFirstDayOfWeek(firstDayOfWeek);
+        }
     }
 
     private DatePickerDelegate createSpinnerUIDelegate(Context context, AttributeSet attrs,
@@ -299,6 +304,47 @@ public class DatePicker extends FrameLayout {
         mDelegate.onConfigurationChanged(newConfig);
     }
 
+    /**
+     * Sets the first day of week.
+     *
+     * @param firstDayOfWeek The first day of the week conforming to the
+     *            {@link CalendarView} APIs.
+     * @see Calendar#SUNDAY
+     * @see Calendar#MONDAY
+     * @see Calendar#TUESDAY
+     * @see Calendar#WEDNESDAY
+     * @see Calendar#THURSDAY
+     * @see Calendar#FRIDAY
+     * @see Calendar#SATURDAY
+     *
+     * @attr ref android.R.styleable#DatePicker_firstDayOfWeek
+     */
+    public void setFirstDayOfWeek(int firstDayOfWeek) {
+        if (firstDayOfWeek < Calendar.SUNDAY || firstDayOfWeek > Calendar.SATURDAY) {
+            throw new IllegalArgumentException("firstDayOfWeek must be between 1 and 7");
+        }
+        mDelegate.setFirstDayOfWeek(firstDayOfWeek);
+    }
+
+    /**
+     * Gets the first day of week.
+     *
+     * @return The first day of the week conforming to the {@link CalendarView}
+     *         APIs.
+     * @see Calendar#SUNDAY
+     * @see Calendar#MONDAY
+     * @see Calendar#TUESDAY
+     * @see Calendar#WEDNESDAY
+     * @see Calendar#THURSDAY
+     * @see Calendar#FRIDAY
+     * @see Calendar#SATURDAY
+     *
+     * @attr ref android.R.styleable#DatePicker_firstDayOfWeek
+     */
+    public int getFirstDayOfWeek() {
+        return mDelegate.getFirstDayOfWeek();
+    }
+
     /**
      * Gets whether the {@link CalendarView} is shown.
      *
@@ -315,7 +361,7 @@ public class DatePicker extends FrameLayout {
      * @return The calendar view.
      * @see #getCalendarViewShown()
      */
-    public CalendarView getCalendarView () {
+    public CalendarView getCalendarView() {
         return mDelegate.getCalendarView();
     }
 
@@ -382,6 +428,9 @@ public class DatePicker extends FrameLayout {
         int getMonth();
         int getDayOfMonth();
 
+        void setFirstDayOfWeek(int firstDayOfWeek);
+        int getFirstDayOfWeek();
+
         void setMinDate(long minDate);
         Calendar getMinDate();
 
@@ -698,6 +747,16 @@ public class DatePicker extends FrameLayout {
             return mCurrentDate.get(Calendar.DAY_OF_MONTH);
         }
 
+        @Override
+        public void setFirstDayOfWeek(int firstDayOfWeek) {
+            mCalendarView.setFirstDayOfWeek(firstDayOfWeek);
+        }
+
+        @Override
+        public int getFirstDayOfWeek() {
+            return mCalendarView.getFirstDayOfWeek();
+        }
+
         @Override
         public void setMinDate(long minDate) {
             mTempDate.setTimeInMillis(minDate);
diff --git a/core/java/android/widget/DatePickerCalendarDelegate.java b/core/java/android/widget/DatePickerCalendarDelegate.java
index eed49bf21ea55..b962962118cb9 100644
--- a/core/java/android/widget/DatePickerCalendarDelegate.java
+++ b/core/java/android/widget/DatePickerCalendarDelegate.java
@@ -49,6 +49,7 @@ import java.util.Locale;
  */
 class DatePickerCalendarDelegate extends DatePicker.AbstractDatePickerDelegate implements
         View.OnClickListener, DatePickerController {
+    private static final int USE_LOCALE = 0;
 
     private static final int UNINITIALIZED = -1;
     private static final int MONTH_AND_DAY_VIEW = 0;
@@ -99,6 +100,8 @@ class DatePickerCalendarDelegate extends DatePicker.AbstractDatePickerDelegate i
     private Calendar mMinDate;
     private Calendar mMaxDate;
 
+    private int mFirstDayOfWeek = USE_LOCALE;
+
     private HashSet<OnDateChangedListener> mListeners = new HashSet<OnDateChangedListener>();
 
     public DatePickerCalendarDelegate(DatePicker delegator, Context context, AttributeSet attrs,
@@ -437,8 +440,16 @@ class DatePickerCalendarDelegate extends DatePicker.AbstractDatePickerDelegate i
         return mMaxDate;
     }
 
+    @Override
+    public void setFirstDayOfWeek(int firstDayOfWeek) {
+        mFirstDayOfWeek = firstDayOfWeek;
+    }
+
     @Override
     public int getFirstDayOfWeek() {
+        if (mFirstDayOfWeek != USE_LOCALE) {
+            return mFirstDayOfWeek;
+        }
         return mCurrentDate.getFirstDayOfWeek();
     }
 
diff --git a/core/java/android/widget/DatePickerController.java b/core/java/android/widget/DatePickerController.java
index 6a074da697269..059709d55156e 100644
--- a/core/java/android/widget/DatePickerController.java
+++ b/core/java/android/widget/DatePickerController.java
@@ -35,6 +35,7 @@ interface DatePickerController {
 
     Calendar getSelectedDay();
 
+    void setFirstDayOfWeek(int firstDayOfWeek);
     int getFirstDayOfWeek();
 
     int getMinYear();
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index d1cc1fd7a3140..cf4064ffb55e9 100644
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -4341,6 +4341,8 @@
         <attr name="minDate" format="string" />
         <!-- The maximal date shown by this calendar view in mm/dd/yyyy format. -->
         <attr name="maxDate" format="string" />
+        <!-- The first day of week according to {@link java.util.Calendar}. -->
+        <attr name="firstDayOfWeek" />
         <!-- @hide The layout of the date picker. -->
         <attr name="internalLayout" format="reference"  />
         <!-- @hide The layout of the legacy DatePicker. -->