diff --git a/activesupport/CHANGELOG b/activesupport/CHANGELOG
index af853f5f15c18431e8b4248e3669862705433329..78b6c47d300c634fa0197c308016103ddbd28deb 100644
--- a/activesupport/CHANGELOG
+++ b/activesupport/CHANGELOG
@@ -1,5 +1,7 @@
 *SVN*
 
+* Adding TimeWithZone#between? [Geoff Buesing]
+
 * Time.=== returns true for TimeWithZone instances [Geoff Buesing]
 
 * TimeWithZone #+ and #- behave consistently with numeric arguments regardless of whether wrapped time is a Time or DateTime; consistenty answers false to #acts_like?(:date) [Geoff Buesing]
diff --git a/activesupport/lib/active_support/time_with_zone.rb b/activesupport/lib/active_support/time_with_zone.rb
index 377eee949f42954ca3e1d089af31256e4cd9a454..cd4ea8c532c638a5783e74cbc96037794eec35e1 100644
--- a/activesupport/lib/active_support/time_with_zone.rb
+++ b/activesupport/lib/active_support/time_with_zone.rb
@@ -125,6 +125,10 @@ def <=>(other)
       utc <=> other
     end
     
+    def between?(min, max)
+      utc.between?(min, max)
+    end
+    
     def eql?(other)
       utc == other
     end
@@ -160,7 +164,7 @@ def to_i
     alias_method :hash, :to_i
     alias_method :tv_sec, :to_i
   
-    # A TimeProxy acts like a Time, so just return self
+    # A TimeWithZone acts like a Time, so just return self
     def to_time
       self
     end
diff --git a/activesupport/test/core_ext/time_with_zone_test.rb b/activesupport/test/core_ext/time_with_zone_test.rb
index 3421b85e60937cda8e381f11047bf7c819e24069..c93d6157e716f327d78ccba50f4eadd0c70d0b83 100644
--- a/activesupport/test/core_ext/time_with_zone_test.rb
+++ b/activesupport/test/core_ext/time_with_zone_test.rb
@@ -116,6 +116,11 @@ def test_compare_with_time_with_zone
       assert_equal(-1, @twz <=> ActiveSupport::TimeWithZone.new( Time.utc(2000, 1, 1, 0, 0, 1), TimeZone['UTC'] ))
     end
     
+    def test_between?
+      assert @twz.between?(Time.utc(1999,12,31,23,59,59), Time.utc(2000,1,1,0,0,1))
+      assert_equal false, @twz.between?(Time.utc(2000,1,1,0,0,1), Time.utc(2000,1,1,0,0,2))
+    end
+    
     def test_eql?
       assert @twz.eql?(Time.utc(2000))
       assert @twz.eql?( ActiveSupport::TimeWithZone.new(Time.utc(2000), TimeZone["Hawaii"]) )