diff --git a/main.cpp b/main.cpp
index 3a4a2af5..5bf1c94e 100644
--- a/main.cpp
+++ b/main.cpp
@@ -63,13 +63,9 @@ int main(int argc, char *argv[]) {
 	c.start();
 	piMSleep(3000);*/
 
-	PIStringList sl;
-	sl << "one" << "two" << "three";
-	PIVariantTypes::Enum e;
-	e << sl;
-	e.selectValue(1);
-	PIVariant v = e;
-	piCout << v.value<PIVariantTypes::Enum>();
+	PISystemTime st = PISystemTime::current();
+	piCout << PIDateTime::current();
+	piCout << PIDateTime::fromSystemTime(st);
 	return 0;
 }
 
diff --git a/src/core/piinit.cpp b/src/core/piinit.cpp
index 2e94649d..fc980855 100644
--- a/src/core/piinit.cpp
+++ b/src/core/piinit.cpp
@@ -118,7 +118,7 @@ PIInit::PIInit() {
 	WSAStartup(MAKEWORD(2, 2), &wsaData);
 	
 	// Timers init
-	SYSTEMTIME jan1970 = {1970, 1, 4, 1, 0, 14, 15, 0};
+	SYSTEMTIME jan1970 = {1970, 1, 4, 1, 0, 0, 0, 0};
 	SystemTimeToFileTime(&jan1970, &__pi_ftjan1970);
 	LARGE_INTEGER pf;
 	pf.QuadPart = -1;
diff --git a/src/core/pitime.cpp b/src/core/pitime.cpp
index b40d5dde..8088ed22 100755
--- a/src/core/pitime.cpp
+++ b/src/core/pitime.cpp
@@ -463,3 +463,42 @@ double PITimeMeasurer::elapsed_s() const {
 PISystemTime PITimeMeasurer::elapsed() const {
 	return (PISystemTime::current(true) - t_st);
 }
+
+
+PICout operator <<(PICout s, const PITime & v) {
+	s.space();
+	s.setControl(0, true);
+	s << "PITime(" << v.hours << ":";
+	s << PIString::fromNumber(v.minutes).expandLeftTo(2, '0') << ":";
+	s << PIString::fromNumber(v.seconds).expandLeftTo(2, '0') << ":";
+	s << PIString::fromNumber(v.milliseconds).expandLeftTo(3, '0') << ")";
+	s.restoreControl();
+	return s;
+}
+
+
+PICout operator <<(PICout s, const PIDate & v) {
+	s.space();
+	s.setControl(0, true);
+	s << "PIDate(" << v.day << "-";
+	s << PIString::fromNumber(v.month).expandLeftTo(2, '0') << "-";
+	s << v.year << ")";
+	s.restoreControl();
+	return s;
+}
+
+
+PICout operator <<(PICout s, const PIDateTime & v) {
+	s.space();
+	s.setControl(0, true);
+	s << "PIDateTime(";
+	s << v.day << "-";
+	s << PIString::fromNumber(v.month).expandLeftTo(2, '0') << "-";
+	s << v.year << " ";
+	s << v.hours << ":";
+	s << PIString::fromNumber(v.minutes).expandLeftTo(2, '0') << ":";
+	s << PIString::fromNumber(v.seconds).expandLeftTo(2, '0') << ":";
+	s << PIString::fromNumber(v.milliseconds).expandLeftTo(3, '0') << ")";
+	s.restoreControl();
+	return s;
+}
diff --git a/src/core/pitime.h b/src/core/pitime.h
index 95a8449b..e4023d9b 100755
--- a/src/core/pitime.h
+++ b/src/core/pitime.h
@@ -29,6 +29,7 @@
 #  include <time.h>
 #endif
 
+
 #ifdef DOXYGEN
 //! \brief Sleep for "msecs" milliseconds
 void msleep(int msecs);
@@ -56,6 +57,9 @@ inline void piMSleep(double msecs) {piUSleep(int(msecs * 1000.));} // on !Window
  * \details This function exec \a piUSleep (msecs * 1000000). */
 inline void piSleep(double secs) {piUSleep(int(secs * 1000000.));} // on !Windows consider constant "usleep" offset
 
+
+
+
 class PIP_EXPORT PISystemTime {
 public:
 	
@@ -176,7 +180,7 @@ private:
 	
 };
 
-//! \relatesalso PICout \relatesalso PIByteArray \brief Output operator to PICout
+//! \relatesalso PICout \relatesalso PICout \brief Output operator to PICout
 inline PICout operator <<(PICout s, const PISystemTime & v) {s.space(); s.setControl(0, true); s << "(" << v.seconds << " s, " << v.nanoseconds << " ns)"; s.restoreControl(); return s;}
 
 //! \relatesalso PISystemTime \relatesalso PIByteArray \brief Output operator to PIByteArray
@@ -185,6 +189,9 @@ inline PIByteArray & operator <<(PIByteArray & s, const PISystemTime & v) {s <<
 //! \relatesalso PISystemTime \relatesalso PIByteArray \brief Input operator from PIByteArray
 inline PIByteArray & operator >>(PIByteArray & s, PISystemTime & v) {s >> v.seconds >> v.nanoseconds; return s;}
 
+
+
+
 struct PIP_EXPORT PITime {
 	PITime(int hours_ = 0, int minutes_ = 0, int seconds_ = 0, int milliseconds_ = 0): hours(hours_), minutes(minutes_), seconds(seconds_), milliseconds(milliseconds_) {;}
 	int hours;
@@ -196,6 +203,7 @@ struct PIP_EXPORT PITime {
 	static PITime current();
 	static PITime fromSystemTime(const PISystemTime & st);
 };
+
 PIP_EXPORT bool operator ==(const PITime & t0, const PITime & t1);
 PIP_EXPORT bool operator <(const PITime & t0, const PITime & t1);
 PIP_EXPORT bool operator >(const PITime & t0, const PITime & t1);
@@ -205,6 +213,12 @@ inline bool operator >=(const PITime & t0, const PITime & t1) {return !(t0 < t1)
 inline PIByteArray & operator <<(PIByteArray & s, const PITime & v) {s << v.hours << v.minutes << v.seconds << v.milliseconds; return s;}
 inline PIByteArray & operator >>(PIByteArray & s, PITime & v) {s >> v.hours >> v.minutes >> v.seconds >> v.milliseconds; return s;}
 
+//! \relatesalso PICout \relatesalso PICout \brief Output operator to PICout
+PICout operator <<(PICout s, const PITime & v);
+
+
+
+
 struct PIP_EXPORT PIDate {
 	PIDate(int year_ = 0, int month_ = 0, int day_ = 0): year(year_), month(month_), day(day_) {;}
 	int year;
@@ -213,6 +227,7 @@ struct PIP_EXPORT PIDate {
 	PIString toString(const PIString & format = "d.MM.yyyy") const;
 	static PIDate current();
 };
+
 PIP_EXPORT bool operator ==(const PIDate & t0, const PIDate & t1);
 PIP_EXPORT bool operator <(const PIDate & t0, const PIDate & t1);
 PIP_EXPORT bool operator >(const PIDate & t0, const PIDate & t1);
@@ -222,6 +237,12 @@ inline bool operator >=(const PIDate & t0, const PIDate & t1) {return !(t0 < t1)
 inline PIByteArray & operator <<(PIByteArray & s, const PIDate & v) {s << v.year << v.month << v.day; return s;}
 inline PIByteArray & operator >>(PIByteArray & s, PIDate & v) {s >> v.year >> v.month >> v.day; return s;}
 
+//! \relatesalso PICout \relatesalso PICout \brief Output operator to PICout
+PICout operator <<(PICout s, const PIDate & v);
+
+
+
+
 struct PIP_EXPORT PIDateTime {
 	PIDateTime() {year = month = day = hours = minutes = seconds = milliseconds = 0;}
 	PIDateTime(const PITime & time) {year = month = day = 0; hours = time.hours; minutes = time.minutes; seconds = time.seconds; milliseconds = time.milliseconds;}
@@ -255,6 +276,7 @@ struct PIP_EXPORT PIDateTime {
 	static PIDateTime fromSystemTime(const PISystemTime & st) {PIDateTime dt = fromSecondSinceEpoch(st.seconds); dt.milliseconds = piClampi(st.nanoseconds / 1000000, 0, 999); return dt;}
 	static PIDateTime current();
 };
+
 inline PIDateTime operator +(const PIDateTime & d0, const PIDateTime & d1) {PIDateTime td = d0; td += d1; return td.normalized();}
 inline PIDateTime operator -(const PIDateTime & d0, const PIDateTime & d1) {PIDateTime td = d0; td -= d1; return td.normalized();}
 PIP_EXPORT bool operator ==(const PIDateTime & t0, const PIDateTime & t1);
@@ -266,6 +288,12 @@ inline bool operator >=(const PIDateTime & t0, const PIDateTime & t1) {return !(
 inline PIByteArray & operator <<(PIByteArray & s, const PIDateTime & v) {s << v.year << v.month << v.day << v.hours << v.minutes << v.seconds << v.milliseconds; return s;}
 inline PIByteArray & operator >>(PIByteArray & s, PIDateTime & v) {s >> v.year >> v.month >> v.day >> v.hours >> v.minutes >> v.seconds >> v.milliseconds; return s;}
 
+//! \relatesalso PICout \relatesalso PICout \brief Output operator to PICout
+PICout operator <<(PICout s, const PIDateTime & v);
+
+
+
+
 DEPRECATED inline PITime currentTime() {return PITime::current();} // obsolete, use PITime::current() instead
 DEPRECATED inline PIDate currentDate() {return PIDate::current();} // obsolete, use PIDate::current() instead
 DEPRECATED inline PIDateTime currentDateTime() {return PIDateTime::current();} // obsolete, use PIDateTime::current() instead
diff --git a/src/core/pivariant.cpp b/src/core/pivariant.cpp
index 0f3871b7..72279f37 100755
--- a/src/core/pivariant.cpp
+++ b/src/core/pivariant.cpp
@@ -503,6 +503,9 @@ PIString PIVariant::toString() const {
 	case PIVariant::pivLDouble: {ldouble r; ba >> r; return PIString::fromNumber(r);}
 	case PIVariant::pivComplexd: {complexd r; ba >> r; return PIString::fromNumber(r.real());}
 	case PIVariant::pivComplexld: {complexld r; ba >> r; return PIString::fromNumber(r.real());}
+	case PIVariant::pivTime: {PITime r; ba >> r; return r.toString();}
+	case PIVariant::pivDate: {PIDate r; ba >> r; return r.toString();}
+	case PIVariant::pivDateTime: {PIDateTime r; ba >> r; return r.toString();}
 	case PIVariant::pivString: {PIString r; ba >> r; return r;}
 	case PIVariant::pivStringList: {PIStringList r; ba >> r; if (r.isEmpty()) return PIString(); return r.front();}
 	case PIVariant::pivEnum: {PIVariantTypes::Enum r; ba >> r; return r.selectedName();}