diff --git a/lib/chibi/time.sld b/lib/chibi/time.sld
index 1d64c6e3..df1e0a3e 100644
--- a/lib/chibi/time.sld
+++ b/lib/chibi/time.sld
@@ -5,7 +5,8 @@
           make-timeval make-tm timeval-seconds timeval-microseconds
           timezone-offset timezone-dst-time
           time-second time-minute time-hour time-day time-month time-year
-          time-day-of-week time-day-of-year time-dst?
+          time-day-of-week time-day-of-year time-dst? time-timezone-name
+          time-offset
           tm? timeval? timezone?)
   (cond-expand
    ((or bsd linux)
diff --git a/lib/chibi/time.stub b/lib/chibi/time.stub
index b6ef9180..abba475d 100644
--- a/lib/chibi/time.stub
+++ b/lib/chibi/time.stub
@@ -17,7 +17,9 @@
   (int     tm_year   time-year)
   (int     tm_wday   time-day-of-week)
   (int     tm_yday   time-day-of-year)
-  (int     tm_isdst  time-dst?))
+  (int     tm_isdst  time-dst?)
+  (string  tm_zone   time-timezone-name)
+  (int     tm_gmtoff time-offset))
 
 ;;> Accessors for the \scheme{tm} struct.
 ;;/