diff --git a/ChangeLog.txt b/ChangeLog.txt
index 7e63d8faec..e54c262862 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -10,6 +10,11 @@
      * Change, ! Fix, % Optimization, + Addition, - Removal, ; Comment
  */
 
+2015-02-15 20:44 UTC+0100 Przemyslaw Czerpak (druzus/at/poczta.onet.pl)
+  * src/common/hbdate.c
+    ! fixed rounding negative UTC offsets in MS-Windows builds.
+      It should fix issue #89.
+
 2015-02-15 20:23 UTC+0100 Przemyslaw Czerpak (druzus/at/poczta.onet.pl)
   * src/rtl/gtwin/gtwin.c
     * added hack to process characters generated without keydown event.
diff --git a/src/common/hbdate.c b/src/common/hbdate.c
index c720a9eaef..e427ed4ac4 100644
--- a/src/common/hbdate.c
+++ b/src/common/hbdate.c
@@ -979,13 +979,15 @@ long hb_timeStampUTCOffset( int iYear, int iMonth, int iDay,
          lt.wDayOfWeek    = 0;
 
          if( s_pTzSpecificLocalTimeToSystemTime( NULL, &lt, &st ) )
-            return ( long ) ( ( hb_timeStampPack( lt.wYear, lt.wMonth, lt.wDay,
-                                                  lt.wHour, lt.wMinute, lt.wSecond,
-                                                  lt.wMilliseconds ) -
-                                hb_timeStampPack( st.wYear, st.wMonth, st.wDay,
-                                                  st.wHour, st.wMinute, st.wSecond,
-                                                  st.wMilliseconds ) ) * HB_SECONDS_PER_DAY +
-                              0.5 );
+         {
+            double dOffset = ( hb_timeStampPack( lt.wYear, lt.wMonth, lt.wDay,
+                                                 lt.wHour, lt.wMinute, lt.wSecond,
+                                                 lt.wMilliseconds ) -
+                               hb_timeStampPack( st.wYear, st.wMonth, st.wDay,
+                                                 st.wHour, st.wMinute, st.wSecond,
+                                                 st.wMilliseconds ) ) * HB_SECONDS_PER_DAY;
+            return ( long ) ( dOffset + ( dOffset < 0 ? -0.5 : 0.5 ) );
+         }
       }
 
       return hb_timeUTCOffset();