2 files changed, 15 insertions, 5 deletions
diff --git a/activesupport/lib/active_support/core_ext/date/calculations.rb b/activesupport/lib/active_support/core_ext/date/calculations.rb
index 579079d4f1..28fec5394f 100644
--- a/activesupport/lib/active_support/core_ext/date/calculations.rb
+++ b/activesupport/lib/active_support/core_ext/date/calculations.rb
@@ -57,19 +57,19 @@ class Date
   # Converts Date to a Time (or DateTime if necessary) with the time portion set to the beginning of the day (0:00)
   # and then subtracts the specified number of seconds
   def ago(seconds)
-    to_time.since(-seconds)
+    to_time_in_current_zone.since(-seconds)
   end
 
   # Converts Date to a Time (or DateTime if necessary) with the time portion set to the beginning of the day (0:00)
   # and then adds the specified number of seconds
   def since(seconds)
-    to_time.since(seconds)
+    to_time_in_current_zone.since(seconds)
   end
   alias :in :since
 
   # Converts Date to a Time (or DateTime if necessary) with the time portion set to the beginning of the day (0:00)
   def beginning_of_day
-    to_time
+    to_time_in_current_zone
   end
   alias :midnight :beginning_of_day
   alias :at_midnight :beginning_of_day
@@ -77,7 +77,7 @@ class Date
 
   # Converts Date to a Time (or DateTime if necessary) with the time portion set to the end of the day (23:59:59)
   def end_of_day
-    to_time.end_of_day
+    to_time_in_current_zone.end_of_day
   end
 
   def plus_with_duration(other) #:nodoc:
diff --git a/activesupport/lib/active_support/core_ext/date/conversions.rb b/activesupport/lib/active_support/core_ext/date/conversions.rb
index 13ef703f49..ba17b0a06b 100644
--- a/activesupport/lib/active_support/core_ext/date/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/date/conversions.rb
@@ -81,6 +81,16 @@ class Date
   def to_time(form = :local)
     ::Time.send("#{form}_time", year, month, day)
   end
+  
+  # Converts Date to a TimeWithZone in the current zone if Time.zone_default is set,
+  # otherwise converts Date to a Time via Date#to_time
+  def to_time_in_current_zone
+    if ::Time.zone_default
+      ::Time.zone.local(year, month, day)
+    else
+      to_time
+    end
+  end
 
   # Converts a Date instance to a DateTime, where the time is set to the beginning of the day
   # and UTC offset is set to 0.
@@ -94,6 +104,6 @@ class Date
   end if RUBY_VERSION < '1.9'
 
   def xmlschema
-    to_time.xmlschema
+    to_time_in_current_zone.xmlschema
   end
 end