Improve Palestine predictions for 2025 and later

* NEWS: Mention this. * asia (Palestine): Guess Fri>=23, not lastFri, for fallback transitions in the future. Fri>=23 is more consistent with past practice than lastFri. The first differing prediction is a fallback on 2025-10-24, not 2025-10-31.
eggert · Oct 24, 2021 · 59467e3 · 59467e3
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diff --git a/NEWS b/NEWS
@@ -1,5 +1,15 @@
 News for the tz database
 
+Unreleased, experimental changes
+
+  Changes to future timestamps
+
+    Predict Palestine fallbacks to be the first Friday on or after
+    October 23, not October's last Friday, to be more consistent with
+    past practice.  The first differing prediction is a fallback on
+    2025-10-24, not 2025-10-31.
+
+
 Release 2021e - 2021-10-21 18:41:00 -0700
 
   Changes to future timestamps

diff --git a/asia b/asia
@@ -3445,7 +3445,7 @@ Rule Palestine	2019	only	-	Mar	29	0:00	1:00	S
 Rule Palestine	2019	only	-	Oct	Sat>=24	0:00	0	-
 Rule Palestine	2020	max	-	Mar	Sat>=24	0:00	1:00	S
 Rule Palestine	2020	only	-	Oct	24	1:00	0	-
-Rule Palestine	2021	max	-	Oct	lastFri	1:00	0	-
+Rule Palestine	2021	max	-	Oct	Fri>=23	1:00	0	-
 
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Gaza	2:17:52	-	LMT	1900 Oct