diff --git a/collects/srfi/19/time.ss b/collects/srfi/19/time.ss
index cc14738f1f..874da19f55 100644
--- a/collects/srfi/19/time.ss
+++ b/collects/srfi/19/time.ss
@@ -212,30 +212,33 @@
 
   ;; each entry is ( utc seconds since epoch . # seconds to add for tai )
   ;; note they go higher to lower, and end in 1972.
+
+  ;; added another one for 2006, based on random web-searching.
   (define tm:leap-second-table
-    '((915148800 . 32)
-      (867715200 . 31)
-      (820454400 . 30)
-      (773020800 . 29)
-      (741484800 . 28)
-      (709948800 . 27)
-      (662688000 . 26)
-      (631152000 . 25)
-      (567993600 . 24)
-      (489024000 . 23)
-      (425865600 . 22)
-      (394329600 . 21)
-      (362793600 . 20)
-      (315532800 . 19)
-      (283996800 . 18)
-      (252460800 . 17)
-      (220924800 . 16)
-      (189302400 . 15)
-      (157766400 . 14)
-      (126230400 . 13)
-      (94694400  . 12)
-      (78796800  . 11)
-      (63072000  . 10)))
+    '((1136073600 . 33)
+      (915148800  . 32)
+      (867715200  . 31)
+      (820454400  . 30)
+      (773020800  . 29)
+      (741484800  . 28)
+      (709948800  . 27)
+      (662688000  . 26)
+      (631152000  . 25)
+      (567993600  . 24)
+      (489024000  . 23)
+      (425865600  . 22)
+      (394329600  . 21)
+      (362793600  . 20)
+      (315532800  . 19)
+      (283996800  . 18)
+      (252460800  . 17)
+      (220924800  . 16)
+      (189302400  . 15)
+      (157766400  . 14)
+      (126230400  . 13)
+      (94694400   . 12)
+      (78796800   . 11)
+      (63072000   . 10)))
 
   (define (read-leap-second-table filename)
     (set! tm:leap-second-table (tm:read-tai-utc-data filename))