diff --git a/winixd/core/timezone.cpp b/winixd/core/timezone.cpp
index 0ca2626..7f1a45f 100644
--- a/winixd/core/timezone.cpp
+++ b/winixd/core/timezone.cpp
@@ -66,13 +66,13 @@ int TimeZone::DstDate::Compare(const pt::Date & utc_date) const
 	else
 	if( date_type == first_weekday )
 	{
-		pt::Date tmp_date = CalculateRelativeDate(utc_date.year, date.month, true, weekday);
+		pt::Date tmp_date = CalculateRelativeDate(utc_date.year, date.month, true, weekday, date.hour, date.min, date.sec);
 		res = tmp_date.Compare(utc_date, true);
 	}
 	else
 	if( date_type == last_weekday )
 	{
-		pt::Date tmp_date = CalculateRelativeDate(utc_date.year, date.month, false, weekday);
+		pt::Date tmp_date = CalculateRelativeDate(utc_date.year, date.month, false, weekday, date.hour, date.min, date.sec);
 		res = tmp_date.Compare(utc_date, true);
 	}
 
@@ -80,11 +80,14 @@ int TimeZone::DstDate::Compare(const pt::Date & utc_date) const
 }
 
 
-pt::Date TimeZone::DstDate::CalculateRelativeDate(int year, int month, bool is_first, int weekday)
+pt::Date TimeZone::DstDate::CalculateRelativeDate(int year, int month, bool is_first, int weekday, int hour, int min, int sec)
 {
 	pt::Date new_date;
 	new_date.year = year;
 	new_date.month = month;
+	new_date.hour = hour;
+	new_date.min = min;
+	new_date.sec = sec;
 
 	if( is_first )
 	{
diff --git a/winixd/core/timezone.h b/winixd/core/timezone.h
index 54a7489..af7f443 100644
--- a/winixd/core/timezone.h
+++ b/winixd/core/timezone.h
@@ -84,7 +84,7 @@ public:
 		DstDate();
 		void Clear();
 		int Compare(const pt::Date & utc_date) const;
-		static pt::Date CalculateRelativeDate(int year, int month, bool is_first, int weekday);
+		static pt::Date CalculateRelativeDate(int year, int month, bool is_first, int weekday, int hour, int min, int sec);
 	};