From 0e3053e4c97670e897496ffa98d7039bf686e6d2 Mon Sep 17 00:00:00 2001
From: "Olivier van Helden and Gudule Lapointe (Speculoos.net)"
 <olivier@van-helden.net>
Date: Thu, 19 Apr 2012 01:17:56 +0200
Subject: [PATCH] DST settings to match client default Pacific Time (mantis
 #5972)

---
 .../Services/LLLoginService/LLLoginResponse.cs   | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/OpenSim/Services/LLLoginService/LLLoginResponse.cs b/OpenSim/Services/LLLoginService/LLLoginResponse.cs
index 844c5aeb41..8fdcf4ea07 100644
--- a/OpenSim/Services/LLLoginService/LLLoginResponse.cs
+++ b/OpenSim/Services/LLLoginService/LLLoginResponse.cs
@@ -349,7 +349,21 @@ namespace OpenSim.Services.LLLoginService
 
         private void SetDefaultValues()
         {
-            DST = TimeZone.CurrentTimeZone.IsDaylightSavingTime(DateTime.Now) ? "Y" : "N";
+            TimeZoneInfo gridTimeZone;
+            try
+            {
+                // First try to fetch DST from Pacific Standard Time, because this is
+                // the one expected by the viewer. "US/Pacific" is the string to search 
+                // on linux and mac, and should work also on Windows (to confirm)
+                gridTimeZone = TimeZoneInfo.FindSystemTimeZoneById("US/Pacific");
+            }
+            catch (Exception e)
+            {
+                m_log.WarnFormat("[TIMEZONE]: {0} Falling back to system time. System time should be set to Pacific Standard Time to provide the expected time", e.Message);
+                gridTimeZone = TimeZoneInfo.Local;
+            }
+            DST = gridTimeZone.IsDaylightSavingTime(DateTime.Now) ? "Y" : "N";
+
             StipendSinceLogin = "N";
             Gendered = "Y";
             EverLoggedIn = "Y";