1 files changed, 1 insertions, 0 deletions
diff --git a/time.c b/time.c
index cadd72cf19..f8426adf4f 100644
--- a/time.c
+++ b/time.c
@@ -1098,6 +1098,7 @@ Init_Time()
     rb_define_method(rb_cTime, "wday", time_wday, 0);
     rb_define_method(rb_cTime, "yday", time_yday, 0);
     rb_define_method(rb_cTime, "isdst", time_isdst, 0);
+    rb_define_method(rb_cTime, "dst?", time_isdst, 0);
     rb_define_method(rb_cTime, "zone", time_zone, 0);
 
     rb_define_method(rb_cTime, "utc?", time_utc_p, 0);