From b2dc8b1f6e8162903b611245205a6993d1764b4d Mon Sep 17 00:00:00 2001
From: Howard Hinnant <howard.hinnant@gmail.com>
Date: Tue, 18 Apr 2017 20:48:28 -0400
Subject: [PATCH] Tweak getTimeZoneKeyName():  * for systems that return
 "Coordinated Universal Time".  * return "UTC" instead.

---
 tz.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tz.cpp b/tz.cpp
index 6847912..1fb4ae4 100644
--- a/tz.cpp
+++ b/tz.cpp
@@ -2884,7 +2884,9 @@ getTimeZoneKeyName()
     char buf[128] = {};
     assert(sizeof(buf) >= wlen+1);
     wcstombs(buf, dtzi.TimeZoneKeyName, wlen);
-    return std::string(buf);
+    if (strcmp(buf, "Coordinated Universal Time") == 0)
+        return "UTC";
+    return buf;
 }
 
 const time_zone*