diff --git a/ext/date/date_core.c b/ext/date/date_core.c
index 18a3a0d..90350b0 100644
--- a/ext/date/date_core.c
+++ b/ext/date/date_core.c
@@ -8406,12 +8406,12 @@ dt_lite_jisx0301(int argc, VALUE *argv, VALUE self)
  * call-seq:
  *    t.to_time  ->  time
  *
- * Returns a copy of self as local mode.
+ * Returns self.
  */
 static VALUE
 time_to_time(VALUE self)
 {
-    return f_getlocal(self);
+    return self;
 }
 
 /*
diff --git a/test/date/test_date_conv.rb b/test/date/test_date_conv.rb
index 0d6c456..3729476 100644
--- a/test/date/test_date_conv.rb
+++ b/test/date/test_date_conv.rb
@@ -3,6 +3,15 @@
 require 'date'
 
 class TestDateConv < Test::Unit::TestCase
+  def with_tz(tz)
+    old = ENV["TZ"]
+    begin
+      ENV["TZ"] = tz
+      yield
+    ensure
+      ENV["TZ"] = old
+    end
+  end
 
   def test_to_class
     [Time.now, Date.today, DateTime.now].each do |o|
@@ -22,6 +31,14 @@ def test_to_time__from_time
     t2 = t.to_time.utc
     assert_equal([2004, 9, 19, 1, 2, 3, 456789],
 		 [t2.year, t2.mon, t2.mday, t2.hour, t2.min, t2.sec, t2.usec])
+
+    t = Time.new(2004, 9, 19, 1, 2, 3, '+03:00')
+    with_tz('Asia/Tokyo') do
+      t2 = t.to_time
+      assert_equal([2004, 9, 19, 1, 2, 3],
+       [t2.year, t2.mon, t2.mday, t2.hour, t2.min, t2.sec])
+      assert_equal(3 * 60 * 60, t2.gmt_offset)
+    end
   end
 
   def test_to_time__from_date