diff --git a/django/contrib/admin/media/js/dateparse.js b/django/contrib/admin/media/js/dateparse.js
index e1c870e146..3cb82dea13 100644
--- a/django/contrib/admin/media/js/dateparse.js
+++ b/django/contrib/admin/media/js/dateparse.js
@@ -100,8 +100,9 @@ var dateParsePatterns = [
     {   re: /^(\d{1,2})(?:st|nd|rd|th)? (\w+)$/i, 
         handler: function(bits) {
             var d = new Date();
-            d.setDate(parseInt(bits[1], 10));
+            d.setDate(1);
             d.setMonth(parseMonth(bits[2]));
+            d.setDate(parseInt(bits[1], 10));
             return d;
         }
     },
@@ -109,9 +110,10 @@ var dateParsePatterns = [
     {   re: /^(\d{1,2})(?:st|nd|rd|th)? (\w+),? (\d{4})$/i,
         handler: function(bits) {
             var d = new Date();
-            d.setDate(parseInt(bits[1], 10));
-            d.setMonth(parseMonth(bits[2]));
+            d.setDate(1);
             d.setYear(bits[3]);
+            d.setMonth(parseMonth(bits[2]));
+            d.setDate(parseInt(bits[1], 10));
             return d;
         }
     },
@@ -119,8 +121,9 @@ var dateParsePatterns = [
     {   re: /^(\w+) (\d{1,2})(?:st|nd|rd|th)?$/i, 
         handler: function(bits) {
             var d = new Date();
-            d.setDate(parseInt(bits[2], 10));
+            d.setDate(1);
             d.setMonth(parseMonth(bits[1]));
+            d.setDate(parseInt(bits[2], 10));
             return d;
         }
     },
@@ -128,9 +131,10 @@ var dateParsePatterns = [
     {   re: /^(\w+) (\d{1,2})(?:st|nd|rd|th)?,? (\d{4})$/i,
         handler: function(bits) {
             var d = new Date();
-            d.setDate(parseInt(bits[2], 10));
-            d.setMonth(parseMonth(bits[1]));
+            d.setDate(1);
             d.setYear(bits[3]);
+            d.setMonth(parseMonth(bits[1]));
+            d.setDate(parseInt(bits[2], 10));
             return d;
         }
     },
@@ -158,9 +162,10 @@ var dateParsePatterns = [
     {   re: /(\d{1,2})\/(\d{1,2})\/(\d{4})/,
         handler: function(bits) {
             var d = new Date();
+            d.setDate(1);
             d.setYear(bits[3]);
-            d.setDate(parseInt(bits[2], 10));
             d.setMonth(parseInt(bits[1], 10) - 1); // Because months indexed from 0
+            d.setDate(parseInt(bits[2], 10));
             return d;
         }
     },
@@ -168,6 +173,7 @@ var dateParsePatterns = [
     {   re: /(\d{4})-(\d{1,2})-(\d{1,2})/,
         handler: function(bits) {
             var d = new Date();
+            d.setDate(1);
             d.setYear(parseInt(bits[1]));
             d.setMonth(parseInt(bits[2], 10) - 1);
             d.setDate(parseInt(bits[3], 10));