From 670d2ec60b69a56e87d2fb4b2b606e5b2d58d4da Mon Sep 17 00:00:00 2001
From: Adam Turner <9087854+aa-turner@users.noreply.github.com>
Date: Sun, 17 Aug 2025 05:44:11 +0100
Subject: [PATCH] Open tzdata/zones file with UTF-8 encoding

---
 Lib/zoneinfo/_tzpath.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Lib/zoneinfo/_tzpath.py b/Lib/zoneinfo/_tzpath.py
index 5db17bea045d8c..78fa6f00a8590a 100644
--- a/Lib/zoneinfo/_tzpath.py
+++ b/Lib/zoneinfo/_tzpath.py
@@ -124,7 +124,8 @@ def available_timezones():
     # Start with loading from the tzdata package if it exists: this has a
     # pre-assembled list of zones that only requires opening one file.
     try:
-        with resources.files("tzdata").joinpath("zones").open("r") as f:
+        zones_file = resources.files("tzdata").joinpath("zones")
+        with zones_file.open("r", encoding="utf-8") as f:
             for zone in f:
                 zone = zone.strip()
                 if zone: