Index: lib/time.rb
===================================================================
--- lib/time.rb (revision 48197)
+++ lib/time.rb (working copy)
@@ -28,9 +28,12 @@
 # === Converting to a String
 #
 #   t = Time.now
-#   t.iso8601  # => "2011-10-05T22:26:12-04:00"
-#   t.rfc2822  # => "Wed, 05 Oct 2011 22:26:12 -0400"
-#   t.httpdate # => "Thu, 06 Oct 2011 02:26:12 GMT"
+#   t.rfc3339(9)  # => "2011-10-05T22:26:12.996992609-04:00"
+#   t.rfc3339     # => "2011-10-05T22:26:12-04:00"
+#   t.iso8601(9)  # => "2011-10-05T22:26:12.996992609-04:00"
+#   t.iso8601     # => "2011-10-05T22:26:12-04:00"
+#   t.rfc2822     # => "Wed, 05 Oct 2011 22:26:12 -0400"
+#   t.httpdate    # => "Thu, 06 Oct 2011 02:26:12 GMT"
 #
 # === Time.parse
 #
@@ -591,6 +594,7 @@
       end
     end
     alias iso8601 xmlschema
+    alias rfc3339 xmlschema
   end # class << self
 
   #
Index: test/test_time.rb
===================================================================
--- test/test_time.rb   (revision 48197)
+++ test/test_time.rb   (working copy)
@@ -98,23 +98,23 @@
   def test_rfc3339
     t = Time.utc(1985, 4, 12, 23, 20, 50, 520000)
     s = "1985-04-12T23:20:50.52Z"
-    assert_equal(t, Time.iso8601(s))
-    assert_equal(s, t.iso8601(2))
+    assert_equal(t, Time.rfc3339(s))
+    assert_equal(s, t.rfc3339(2))
 
     t = Time.utc(1996, 12, 20, 0, 39, 57)
     s = "1996-12-19T16:39:57-08:00"
-    assert_equal(t, Time.iso8601(s))
+    assert_equal(t, Time.rfc3339(s))
     # There is no way to generate time string with arbitrary timezone.
     s = "1996-12-20T00:39:57Z"
-    assert_equal(t, Time.iso8601(s))
-    assert_equal(s, t.iso8601)
+    assert_equal(t, Time.rfc3339(s))
+    assert_equal(s, t.rfc3339)
 
     t = Time.utc(1990, 12, 31, 23, 59, 60)
     s = "1990-12-31T23:59:60Z"
-    assert_equal(t, Time.iso8601(s))
+    assert_equal(t, Time.rfc3339(s))
     # leap second is representable only if timezone file has it.
     s = "1990-12-31T15:59:60-08:00"
-    assert_equal(t, Time.iso8601(s))
+    assert_equal(t, Time.rfc3339(s))
 
     begin
       Time.at(-1)
@@ -123,7 +123,7 @@
     else
       t = Time.utc(1937, 1, 1, 11, 40, 27, 870000)
       s = "1937-01-01T12:00:27.87+00:20"
-      assert_equal(t, Time.iso8601(s))
+      assert_equal(t, Time.rfc3339(s))
     end
   end