diff --git a/tools/layoutlib/bridge/src/libcore/icu/ICU_Delegate.java b/tools/layoutlib/bridge/src/libcore/icu/ICU_Delegate.java
index fb2fc85..a7f8e4d 100644
--- a/tools/layoutlib/bridge/src/libcore/icu/ICU_Delegate.java
+++ b/tools/layoutlib/bridge/src/libcore/icu/ICU_Delegate.java
@@ -171,10 +171,13 @@
         result.longStandAloneMonthNames = result.longMonthNames;
         result.shortStandAloneMonthNames = result.shortMonthNames;
 
+        // The platform code expects this to begin at index 1, rather than 0. It maps it directly to
+        // the constants from java.util.Calendar.<weekday>
         result.longWeekdayNames = new String[] {
-                "Monday" ,"Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday" };
+                "", "Sunday", "Monday" ,"Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" };
         result.shortWeekdayNames = new String[] {
-                "Mon" ,"Tue", "Wed", "Thu", "Fri", "Sat", "Sun" };
+                "", "Sun", "Mon" ,"Tue", "Wed", "Thu", "Fri", "Sat" };
+
         result.longStandAloneWeekdayNames = result.longWeekdayNames;
         result.shortStandAloneWeekdayNames = result.shortWeekdayNames;