Index: twelve_hour/lib/twelve_hour.rb
===================================================================
--- twelve_hour/lib/twelve_hour.rb (revision 9)
+++ twelve_hour/lib/twelve_hour.rb (revision 10)
@@ -11,8 +11,9 @@
           hour_options = []
           0.upto(23) do |hour|
             ampm = hour <= 11 ? ' AM' : ' PM'
-            ampm_hour = hour == 12 ? 12 : (hour / 12 == 1 ? hour % 12 : hour)
-            ampm_hour = (ampm_hour == 0) ? 12 : ampm_hour # thanks to Jay Hancock
+            #ampm_hour = hour == 12 ? 12 : (hour / 12 == 1 ? hour % 12 : hour)
+            #ampm_hour = (ampm_hour == 0) ? 12 : ampm_hour # thanks to Jay Hancock
+            ampm_hour = (hour % 12).zero? ? 12 : hour % 12 # thanks yo J. E. Dewyea
             hour_options << ((val == hour) ?
               %(<option value="#{hour}" selected="selected">#{ampm_hour}#{ampm}</option>\n) :
               %(<option value="#{hour}">#{ampm_hour}#{ampm}</option>\n)