diff --git a/lib/twitter/search.rb b/lib/twitter/search.rb
index e2a6f2d13..04c1183d3 100644
--- a/lib/twitter/search.rb
+++ b/lib/twitter/search.rb
@@ -72,8 +72,21 @@ def since(since_id)
       @query[:since_id] = since_id
       self
     end
+    
+    # From the advanced search form, not documented in the API
+    # Format YYYY-MM-DD
+    def since_date(since_date)
+      @query[:since] = since_date
+      self
+    end
+
+    # From the advanced search form, not documented in the API
+    # Format YYYY-MM-DD
+    def until_date(until_date)
+      @query[:until] = until_date
+      self
+    end
 
-    # Search tweets by latitude, longitude, and a given range.
     # Ranges like 25km and 50mi work.
     def geocode(lat, long, range)
       @query[:geocode] = [lat, long, range].join(',')
diff --git a/test/twitter/search_test.rb b/test/twitter/search_test.rb
index a5754cf07..83b036e05 100644
--- a/test/twitter/search_test.rb
+++ b/test/twitter/search_test.rb
@@ -81,6 +81,18 @@ class SearchTest < Test::Unit::TestCase
       @search.fetch()
     end
 
+    should "should be able to specify since a date" do 
+      @search.since_date('2009-04-14')
+      @search.class.expects(:get).with('http://search.twitter.com/search.json', :query => { :since => '2009-04-14', :q => ''}, :format => :json).returns({ 'foo' => 'bar'})
+      @search.fetch
+    end
+
+    should "should be able to specify until a date" do 
+      @search.until_date('2009-04-14')
+      @search.class.expects(:get).with('http://search.twitter.com/search.json', :query => { :until => '2009-04-14', :q => ''}, :format => :json).returns({ 'foo' => 'bar'})
+      @search.fetch
+    end
+
     should "should be able to specify geo coordinates" do
       @search.geocode('40.757929', '-73.985506', '25mi')
       @search.class.expects(:get).with('http://search.twitter.com/search.json', :query => {:geocode => '40.757929,-73.985506,25mi', :q => ''}, :format => :json, :headers => {'User-Agent' => 'Ruby Twitter Gem'}).returns({'foo' => 'bar'})
@@ -156,4 +168,4 @@ class SearchTest < Test::Unit::TestCase
     end
   end
   
-end
\ No newline at end of file
+end