diff --git a/README.md b/README.md
index 1cb44c0..640a5e7 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,7 @@ The gem adds the following (possibly missing) methods to Date, Time, and/or Date
 * precision
 * precision=
 * partial_match?
+* is_complete?
 * year?
 * month?
 * day?
diff --git a/lib/date_time_precision/lib.rb b/lib/date_time_precision/lib.rb
index 2226835..ac80142 100644
--- a/lib/date_time_precision/lib.rb
+++ b/lib/date_time_precision/lib.rb
@@ -126,6 +126,11 @@ def partial_match?(date2)
     self.class::partial_match?(self, date2)
   end
 
+  # Returns true if date complete (has year, month and day)
+  def is_complete?
+    @precision == 3
+  end
+
   def normalize_new_args(args)
     self.class.normalize_new_args(args)
   end
diff --git a/spec/date_time_precision_spec.rb b/spec/date_time_precision_spec.rb
index de7ef57..6ebb488 100644
--- a/spec/date_time_precision_spec.rb
+++ b/spec/date_time_precision_spec.rb
@@ -179,6 +179,23 @@
     end
   end
 
+  describe '#is_complete?' do
+    it 'returns true when date has year, month and day' do
+      d1 = Date.new(2001,3,2)
+      expect(d1.is_complete?).to be true
+    end
+
+    it 'returns false when date day missing' do
+      d1 = Date.new(2001,3)
+      expect(d1.is_complete?).to be false
+    end
+
+    it 'returns false when date day and month missing' do
+      d1 = Date.new(2001)
+      expect(d1.is_complete?).to be false
+    end
+  end
+
   context 'Decades and Centuries' do
     it 'should have the proper precision when outputting decades or centuries' do
       no_date = Date.new
@@ -214,4 +231,4 @@
     end
 
   end
-end
\ No newline at end of file
+end