2 files changed, 2 insertions, 1 deletions
diff --git a/src/org/traccar/helper/DateBuilder.java b/src/org/traccar/helper/DateBuilder.java
index 5d2ee8e0a..094dfff16 100644
--- a/src/org/traccar/helper/DateBuilder.java
+++ b/src/org/traccar/helper/DateBuilder.java
@@ -31,6 +31,7 @@ public class DateBuilder {
     public DateBuilder(TimeZone timeZone) {
         calendar = Calendar.getInstance(timeZone);
         calendar.clear();
+        calendar.setTimeInMillis(0);
     }
 
     public DateBuilder setYear(int year) {
diff --git a/src/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
index 50683d94e..632e71a8f 100644
--- a/src/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -193,7 +193,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
                     offset = -offset;
                 }
                 if (!forceTimeZone) {
-                    timeZone.setRawOffset(offset);
+                    timeZone.setRawOffset(offset * 1000);
                 }
             }