diff --git a/lib/validates_timeliness/base.rb b/lib/validates_timeliness/multiparameter_attributes.rb
similarity index 88%
rename from lib/validates_timeliness/base.rb
rename to lib/validates_timeliness/multiparameter_attributes.rb
index 720f683..348e0c3 100644
--- a/lib/validates_timeliness/base.rb
+++ b/lib/validates_timeliness/multiparameter_attributes.rb
@@ -1,9 +1,8 @@
 module ValidatesTimeliness
-  module Base
+  module MultiparameterAttributes
     
     def time_array_to_string(time_array)
-      time_array.collect! {|i| i.to_s.rjust(2, '0') }
-      time_array[0..2].join('-') + ' ' + time_array[3..5].join(':')
+      "%04d-%02d-%02d %02d:%02d:%02d" % time_array
     end
   
     # Overrides AR method to store multiparameter time and dates as 
diff --git a/spec/base_spec.rb b/spec/multiparameter_attributes_spec.rb
similarity index 70%
rename from spec/base_spec.rb
rename to spec/multiparameter_attributes_spec.rb
index 0ce8e71..a866ac1 100644
--- a/spec/base_spec.rb
+++ b/spec/multiparameter_attributes_spec.rb
@@ -1,7 +1,7 @@
 require File.dirname(__FILE__) + '/spec_helper'
 
-describe ValidatesTimeliness::Base do
-  include ValidatesTimeliness::Base
+describe ValidatesTimeliness::MultiparameterAttributes do
+  include ValidatesTimeliness::MultiparameterAttributes
 
   class AttributeAssignmentError;       def initialize(*args); end; end
   class MultiparameterAssignmentErrors; def initialize(*args); end; end
@@ -11,25 +11,25 @@ describe ValidatesTimeliness::Base do
   end  
 
   it "should convert time array into string" do
-    time_string = time_array_to_string([2000,1,1,12,12,0])
-    time_string.should == "2000-01-01 12:12:00"
+    time_string = time_array_to_string([2000,2,1,9,10,11])
+    time_string.should == "2000-02-01 09:10:11"
   end
   
   describe "execute_callstack_for_multiparameter_attributes" do 
     before do
-      @date_array = [1980,1,1,0,0,0]
+      @date_array = [2000,2,1,9,10,11]
     end
   
     it "should store time string for a Time class column" do      
       self.stub!(:column_for_attribute).and_return( mock('Column', :klass => Time) )
-      self.should_receive(:birth_date_and_time=).once.with("1980-01-01 00:00:00")
+      self.should_receive(:birth_date_and_time=).once.with("2000-02-01 09:10:11")
       callstack = {'birth_date_and_time' => @date_array}
       execute_callstack_for_multiparameter_attributes(callstack)
     end    
     
     it "should store time string for a Date class column" do
       self.stub!(:column_for_attribute).and_return( mock('Column', :klass => Date) )
-      self.should_receive(:birth_date=).once.with("1980-01-01 00:00:00")
+      self.should_receive(:birth_date=).once.with("2000-02-01 09:10:11")
       callstack = {'birth_date' => @date_array}
       execute_callstack_for_multiparameter_attributes(callstack)
     end