diff --git a/collects/scribblings/reference/time.scrbl b/collects/scribblings/reference/time.scrbl
index d06f7c8e49..e0a0765d5f 100644
--- a/collects/scribblings/reference/time.scrbl
+++ b/collects/scribblings/reference/time.scrbl
@@ -38,7 +38,7 @@ The resulting @racket[date*] reflects the time according to the local
 time zone if @racket[local-time?] is @racket[#t], otherwise it
 reflects a date in UTC.}
 
-@defstruct[date ([second (integer-in 0 61)]
+@defstruct[date ([second (integer-in 0 60)]
                  [minute (integer-in 0 59)]
                  [hour (integer-in 0 23)]
                  [day (integer-in 1 31)]
@@ -50,10 +50,9 @@ reflects a date in UTC.}
                  [time-zone-offset exact-integer?])
                 #:inspector #f]{
 
-Represents a date. For the @racket[second] field, values of
-@racket[60] and @racket[61] are for unusual, but possible for
-leap-seconds. The @racket[year-day] field reaches @racket[365] only in
-leap years.
+Represents a date. The @racket[second] field reaches @racket[60] only
+for leap seconds. The @racket[year-day] field reaches @racket[365]
+only in leap years.
 
 The @racket[dst?] field is @racket[#t] if the date reflects a
 daylight-saving adjustment. The @racket[time-zone-offset] field
diff --git a/collects/tests/racket/date.rktl b/collects/tests/racket/date.rktl
index 74bee73e4b..e52a8565d6 100644
--- a/collects/tests/racket/date.rktl
+++ b/collects/tests/racket/date.rktl
@@ -5,6 +5,9 @@
 
 (require mzlib/date)
 
+(test #t date? (date* 0 0 0 1 1 -3000 0 0 #f -1000 0 "AST"))
+(test #t date? (date* 60 59 23 31 12 3000 6 365 #t 1000 999999999 "ZST"))
+
 (define (test-find s m h d mo y)
   (for ([local-time? (in-list '(#f #t))])
     (let* ([secs (find-seconds s m h d mo y local-time?)]
diff --git a/doc/release-notes/racket/HISTORY.txt b/doc/release-notes/racket/HISTORY.txt
index a72f95b390..8ce95f88eb 100644
--- a/doc/release-notes/racket/HISTORY.txt
+++ b/doc/release-notes/racket/HISTORY.txt
@@ -1,4 +1,6 @@
 Version 5.3.0.11
+Changed contract on date second field to disallow 61, since
+ leap seconds never appear more than once per minute
 racket/base: added impersonate-prompt-tag & chaperone-prompt-tag
 racket/control: added call/prompt, call/comp, abort/cc and
  allow #:tag argument for % and f-control
diff --git a/src/racket/src/struct.c b/src/racket/src/struct.c
index f59d69425a..2b73329cab 100644
--- a/src/racket/src/struct.c
+++ b/src/racket/src/struct.c
@@ -5032,8 +5032,8 @@ static Scheme_Object *check_date_fields(int argc, Scheme_Object **argv)
   Scheme_Object *a, *args[10];
 
   a = argv[0];
-  if (!SCHEME_INTP(a) || (SCHEME_INT_VAL(a) < 0) || (SCHEME_INT_VAL(a) > 61))
-    scheme_wrong_field_contract(argv[10], "(integer-in 0 61)", a);
+  if (!SCHEME_INTP(a) || (SCHEME_INT_VAL(a) < 0) || (SCHEME_INT_VAL(a) > 60))
+    scheme_wrong_field_contract(argv[10], "(integer-in 0 60)", a);
   a = argv[1];
   if (!SCHEME_INTP(a) || (SCHEME_INT_VAL(a) < 0) || (SCHEME_INT_VAL(a) > 59))
     scheme_wrong_field_contract(argv[10], "(integer-in 0 59)", a);