diff --git a/grmi/Date.go b/grmi/Date.go
index 7e1ae34..046a4bc 100644
--- a/grmi/Date.go
+++ b/grmi/Date.go
@@ -39,3 +39,11 @@ func (self *Date) ToString() string {
 	date := self.Restore()
 	return date.Format(DateOutFormat)
 }
+
+func (self *Date) String() string {
+	if self == nil {
+		return ""
+	}
+	date := self.Restore()
+	return date.Format(DateTimeOutFormat)
+}
diff --git a/grmi/DateTime.go b/grmi/DateTime.go
index 01d0594..6f727c4 100644
--- a/grmi/DateTime.go
+++ b/grmi/DateTime.go
@@ -39,3 +39,11 @@ func (self *DateTime) ToString() string {
 	date := self.Restore()
 	return date.Format(DateTimeOutFormat)
 }
+
+func (self *DateTime) String() string {
+	if self == nil {
+		return ""
+	}
+	date := self.Restore()
+	return date.Format(DateTimeOutFormat)
+}
diff --git a/grmi/Time.go b/grmi/Time.go
index 54e9331..9136fb0 100644
--- a/grmi/Time.go
+++ b/grmi/Time.go
@@ -35,3 +35,11 @@ func (self *Time) ToString() string {
 	date := self.Restore()
 	return date.Format(TimeOutFormat)
 }
+
+func (self *Time) String() string {
+	if self == nil {
+		return ""
+	}
+	date := self.Restore()
+	return date.Format(DateTimeOutFormat)
+}