diff --git a/LinqToQuerystring/TreeNodes/Functions/DayNode.cs b/LinqToQuerystring/TreeNodes/Functions/DayNode.cs
index c669a62..4bfa1bd 100644
--- a/LinqToQuerystring/TreeNodes/Functions/DayNode.cs
+++ b/LinqToQuerystring/TreeNodes/Functions/DayNode.cs
@@ -22,7 +22,7 @@ public override Expression BuildLinqExpression(IQueryable query, Expression expr
 
             if (!typeof(DateTime).IsAssignableFrom(childexpression.Type) && !typeof(DateTimeOffset).IsAssignableFrom(childexpression.Type))
             {
-                throw new FunctionNotSupportedException(childexpression.Type, "day");
+                childexpression = Expression.Convert(childexpression, typeof(DateTime));
             }
 
             return Expression.Property(childexpression, "Day");
diff --git a/LinqToQuerystring/TreeNodes/Functions/DaysNode.cs b/LinqToQuerystring/TreeNodes/Functions/DaysNode.cs
index 95e301d..db26031 100644
--- a/LinqToQuerystring/TreeNodes/Functions/DaysNode.cs
+++ b/LinqToQuerystring/TreeNodes/Functions/DaysNode.cs
@@ -22,7 +22,7 @@ public override Expression BuildLinqExpression(IQueryable query, Expression expr
 
             if (!typeof(DateTime).IsAssignableFrom(childexpression.Type))
             {
-                throw new FunctionNotSupportedException(childexpression.Type, "days");
+                childexpression = Expression.Convert(childexpression, typeof(DateTime));
             }
 
             return Expression.Property(childexpression, "Day");
diff --git a/LinqToQuerystring/TreeNodes/Functions/HourNode.cs b/LinqToQuerystring/TreeNodes/Functions/HourNode.cs
index 15233f5..f16c1ab 100644
--- a/LinqToQuerystring/TreeNodes/Functions/HourNode.cs
+++ b/LinqToQuerystring/TreeNodes/Functions/HourNode.cs
@@ -22,7 +22,7 @@ public override Expression BuildLinqExpression(IQueryable query, Expression expr
 
             if (!typeof(DateTime).IsAssignableFrom(childexpression.Type) && !typeof(DateTimeOffset).IsAssignableFrom(childexpression.Type))
             {
-                throw new FunctionNotSupportedException(childexpression.Type, "hour");
+                childexpression = Expression.Convert(childexpression, typeof(DateTime));
             }
 
             return Expression.Property(childexpression, "Hour");
diff --git a/LinqToQuerystring/TreeNodes/Functions/HoursNode.cs b/LinqToQuerystring/TreeNodes/Functions/HoursNode.cs
index 5a7a4f2..e0ca84e 100644
--- a/LinqToQuerystring/TreeNodes/Functions/HoursNode.cs
+++ b/LinqToQuerystring/TreeNodes/Functions/HoursNode.cs
@@ -22,7 +22,7 @@ public override Expression BuildLinqExpression(IQueryable query, Expression expr
 
             if (!typeof(DateTime).IsAssignableFrom(childexpression.Type))
             {
-                throw new FunctionNotSupportedException(childexpression.Type, "hours");
+                childexpression = Expression.Convert(childexpression, typeof(DateTime));
             }
 
             return Expression.Property(childexpression, "Hour");
diff --git a/LinqToQuerystring/TreeNodes/Functions/MinuteNode.cs b/LinqToQuerystring/TreeNodes/Functions/MinuteNode.cs
index 797470d..35551bf 100644
--- a/LinqToQuerystring/TreeNodes/Functions/MinuteNode.cs
+++ b/LinqToQuerystring/TreeNodes/Functions/MinuteNode.cs
@@ -22,7 +22,7 @@ public override Expression BuildLinqExpression(IQueryable query, Expression expr
 
             if (!typeof(DateTime).IsAssignableFrom(childexpression.Type) && !typeof(DateTimeOffset).IsAssignableFrom(childexpression.Type))
             {
-                throw new FunctionNotSupportedException(childexpression.Type, "minute");
+                childexpression = Expression.Convert(childexpression, typeof(DateTime));
             }
 
             return Expression.Property(childexpression, "Minute");
diff --git a/LinqToQuerystring/TreeNodes/Functions/MinutesNode.cs b/LinqToQuerystring/TreeNodes/Functions/MinutesNode.cs
index 41d1fa5..c5af75b 100644
--- a/LinqToQuerystring/TreeNodes/Functions/MinutesNode.cs
+++ b/LinqToQuerystring/TreeNodes/Functions/MinutesNode.cs
@@ -22,7 +22,7 @@ public override Expression BuildLinqExpression(IQueryable query, Expression expr
 
             if (!typeof(DateTime).IsAssignableFrom(childexpression.Type))
             {
-                throw new FunctionNotSupportedException(childexpression.Type, "minutes");
+                childexpression = Expression.Convert(childexpression, typeof(DateTime));
             }
 
             return Expression.Property(childexpression, "Minute");
diff --git a/LinqToQuerystring/TreeNodes/Functions/MonthNode.cs b/LinqToQuerystring/TreeNodes/Functions/MonthNode.cs
index 5ab5f52..dec4050 100644
--- a/LinqToQuerystring/TreeNodes/Functions/MonthNode.cs
+++ b/LinqToQuerystring/TreeNodes/Functions/MonthNode.cs
@@ -22,7 +22,7 @@ public override Expression BuildLinqExpression(IQueryable query, Expression expr
 
             if (!typeof(DateTime).IsAssignableFrom(childexpression.Type))
             {
-                throw new FunctionNotSupportedException(childexpression.Type, "month");
+                childexpression = Expression.Convert(childexpression, typeof(DateTime));
             }
 
             return Expression.Property(childexpression, "Month");
diff --git a/LinqToQuerystring/TreeNodes/Functions/SecondNode.cs b/LinqToQuerystring/TreeNodes/Functions/SecondNode.cs
index 3f97d8a..dd15597 100644
--- a/LinqToQuerystring/TreeNodes/Functions/SecondNode.cs
+++ b/LinqToQuerystring/TreeNodes/Functions/SecondNode.cs
@@ -22,7 +22,7 @@ public override Expression BuildLinqExpression(IQueryable query, Expression expr
 
             if (!typeof(DateTime).IsAssignableFrom(childexpression.Type) && !typeof(DateTimeOffset).IsAssignableFrom(childexpression.Type))
             {
-                throw new FunctionNotSupportedException(childexpression.Type, "second");
+                childexpression = Expression.Convert(childexpression, typeof(DateTime));
             }
 
             return Expression.Property(childexpression, "Second");
diff --git a/LinqToQuerystring/TreeNodes/Functions/SecondsNode.cs b/LinqToQuerystring/TreeNodes/Functions/SecondsNode.cs
index 8eebb8d..00122bd 100644
--- a/LinqToQuerystring/TreeNodes/Functions/SecondsNode.cs
+++ b/LinqToQuerystring/TreeNodes/Functions/SecondsNode.cs
@@ -22,7 +22,7 @@ public override Expression BuildLinqExpression(IQueryable query, Expression expr
 
             if (!typeof(DateTime).IsAssignableFrom(childexpression.Type))
             {
-                throw new FunctionNotSupportedException(childexpression.Type, "seconds");
+                childexpression = Expression.Convert(childexpression, typeof(DateTime));
             }
 
             return Expression.Property(childexpression, "Second");
diff --git a/LinqToQuerystring/TreeNodes/Functions/YearNode.cs b/LinqToQuerystring/TreeNodes/Functions/YearNode.cs
index ee5d480..4aa39f1 100644
--- a/LinqToQuerystring/TreeNodes/Functions/YearNode.cs
+++ b/LinqToQuerystring/TreeNodes/Functions/YearNode.cs
@@ -22,7 +22,7 @@ public override Expression BuildLinqExpression(IQueryable query, Expression expr
 
             if (!typeof(DateTime).IsAssignableFrom(childexpression.Type) && !typeof(DateTimeOffset).IsAssignableFrom(childexpression.Type))
             {
-                throw new FunctionNotSupportedException(childexpression.Type, "year");
+                childexpression = Expression.Convert(childexpression, typeof(DateTime));
             }
 
             return Expression.Property(childexpression, "Year");
diff --git a/LinqToQuerystring/TreeNodes/Functions/YearsNode.cs b/LinqToQuerystring/TreeNodes/Functions/YearsNode.cs
index 0188725..7a9b580 100644
--- a/LinqToQuerystring/TreeNodes/Functions/YearsNode.cs
+++ b/LinqToQuerystring/TreeNodes/Functions/YearsNode.cs
@@ -22,7 +22,7 @@ public override Expression BuildLinqExpression(IQueryable query, Expression expr
 
             if (!typeof(DateTime).IsAssignableFrom(childexpression.Type))
             {
-                throw new FunctionNotSupportedException(childexpression.Type, "years");
+                childexpression = Expression.Convert(childexpression, typeof(DateTime));
             }
 
             return Expression.Property(childexpression, "Year");