diff --git a/library/date/mon_spec.rb b/library/date/mon_spec.rb
index 724e7d656..616d72cf8 100644
--- a/library/date/mon_spec.rb
+++ b/library/date/mon_spec.rb
@@ -1,6 +1,7 @@
 require_relative '../../spec_helper'
+require_relative 'shared/month'
 require 'date'
 
 describe "Date#mon" do
-  it "needs to be reviewed for spec completeness"
+  it_behaves_like :date_month, :mon
 end
diff --git a/library/date/month_spec.rb b/library/date/month_spec.rb
index e040f9a94..f493ec811 100644
--- a/library/date/month_spec.rb
+++ b/library/date/month_spec.rb
@@ -1,9 +1,7 @@
 require_relative '../../spec_helper'
+require_relative 'shared/month'
 require 'date'
 
 describe "Date#month" do
-  it "returns the month" do
-    m = Date.new(2000, 7, 1).month
-    m.should == 7
-  end
+  it_behaves_like :date_month, :month
 end
diff --git a/library/date/shared/month.rb b/library/date/shared/month.rb
new file mode 100644
index 000000000..5fcb2cbeb
--- /dev/null
+++ b/library/date/shared/month.rb
@@ -0,0 +1,6 @@
+describe :date_month, shared: true do
+  it "returns the month" do
+    m = Date.new(2000, 7, 1).send(@method)
+    m.should == 7
+  end
+end