Thanks for reporting that, and for the patch. I installed it into the
development repository, followed by the attached minor update to give you
credit and to follow the legislation's wording more closely.
From b14cc6273fdb390744bc59ce221ff53c4f1652b0 Mon Sep 17 00:00:00 2001
From: Paul Eggert <[email protected]>
Date: Tue, 22 Sep 2026 11:20:29 -0700
Subject: [PATCH] Mostly-commentary update for Ireland in fall 1925
* NEWS: Mention change for Ireland in fall 1925.
* europe (Europe/Dublin): Follow the wording of the legislation
more closely. This does not affect the TZif output.
---
NEWS | 4 ++++
europe | 2 +-
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/NEWS b/NEWS
index 6b7ea78c..eebc7b12 100644
--- a/NEWS
+++ b/NEWS
@@ -25,6 +25,10 @@ Unreleased, experimental changes
announcement, assume that they will, to avoid creating new zones
that may not be needed if no divergence occurs.
+ Changes to past timestamps
+
+ In 1925 Ireland fell back on 09-20 not 10-04 (thanks to Stan Ulbrych).
+
Changes to commentary
Discussion on timekeeping practices in northwestern Ontario has been
diff --git a/europe b/europe
index 3f555699..c29d1f53 100644
--- a/europe
+++ b/europe
@@ -557,7 +557,7 @@ Zone Europe/Dublin -0:25:21 - LMT 1880 Aug 2
-0:25:21 - DMT 1916 May 21 2:00s
-0:25:21 1:00 IST 1916 Oct 1 2:00s
0:00 GB-Eire %s 1921 Dec 6 # independence
- 0:00 GB-Eire GMT/IST 1925 Sep 20 2:00s
+ 0:00 GB-Eire GMT/IST 1925 Sep Sun>=16 2:00s
0:00 - GMT 1926
0:00 GB-Eire GMT/IST 1940 Feb 25 2:00s
0:00 1:00 IST 1946 Oct 6 2:00s
--
2.53.0
