From 8f0c648c6997dc0c83eef536293b40ba112873fa Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Thu, 23 Apr 2015 23:09:27 +1200
Subject: Fix GT06 timezone decoding

---
 src/org/traccar/protocol/Gt06ProtocolDecoder.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
index e94a7238b..5196634e8 100644
--- a/src/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -116,7 +116,9 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
             // Timezone offset
             if (dataLength > 10) {
                 int extensionBits = buf.readUnsignedShort();
-                int offset = (extensionBits >> 4) * 36000;
+                int hours = (extensionBits >> 4) / 100;
+                int minutes = (extensionBits >> 4) % 100;
+                int offset = (hours * 60 + minutes) * 60;
                 if ((extensionBits & 0x8) != 0) {
                     offset = -offset;
                 }
-- 
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