From 7d811743e0c8eb4904a2ddaabee7bff7aad3c46b Mon Sep 17 00:00:00 2001
From: Howard Hinnant <howard.hinnant@gmail.com>
Date: Sat, 18 Apr 2020 09:24:22 -0400
Subject: [PATCH] Fix parse of second offset in posix time zone

---
 include/date/ptz.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/date/ptz.h b/include/date/ptz.h
index 6ff1ab9..5cd7545 100644
--- a/include/date/ptz.h
+++ b/include/date/ptz.h
@@ -195,7 +195,10 @@ time_zone::time_zone(const detail::string_t& s)
         if (i != s.size())
         {
             if (s[i] != ',')
+            {
                 i = read_signed_time(s, i, save_);
+                save_ = -save_ - offset_;
+            }
             if (i != s.size())
             {
                 if (s[i] != ',')