--- a/jdk/make/data/tzdata/asia	Fri Mar 14 12:31:28 2014 +0100
+++ b/jdk/make/data/tzdata/asia	Fri Mar 14 15:49:46 2014 +0400
@@ -1113,8 +1113,13 @@
 Rule	Zion	1986	only	-	Sep	 7	0:00	0	S
 Rule	Zion	1987	only	-	Apr	15	0:00	1:00	D
 Rule	Zion	1987	only	-	Sep	13	0:00	0	S
-Rule	Zion	1988	only	-	Apr	 9	0:00	1:00	D
-Rule	Zion	1988	only	-	Sep	 3	0:00	0	S
+
+# From Avigdor Finkelstein (2014-03-05):
+# I check the Parliament (Knesset) records and there it's stated that the
+# [1988] transition should take place on Saturday night, when the Sabbath
+# ends and changes to Sunday.
+Rule	Zion	1988	only	-	Apr	10	0:00	1:00	D
+Rule	Zion	1988	only	-	Sep	 4	0:00	0	S
 
 # From Ephraim Silverberg
 # (1997-03-04, 1998-03-16, 1998-12-28, 2000-01-17, 2000-07-25, 2004-12-22,