diff --git a/dotnet/AipsCore/Domain/Common/Validation/Rules/DateInFutureRule.cs b/dotnet/AipsCore/Domain/Common/Validation/Rules/DateInFutureRule.cs
new file mode 100644
index 0000000..cf48254
--- /dev/null
+++ b/dotnet/AipsCore/Domain/Common/Validation/Rules/DateInFutureRule.cs
@@ -0,0 +1,22 @@
+using AipsCore.Domain.Abstract.Rule;
+
+namespace AipsCore.Domain.Common.Validation.Rules;
+
+public class DateInFutureRule : AbstractRule
+{
+    private readonly DateTime _date;
+    private readonly DateTime _now;
+    
+    public DateInFutureRule(DateTime date) 
+    {
+        _date = date;
+        _now = DateTime.Now;
+    }
+    
+    protected override string ErrorCode => "date_in_future";
+    protected override string ErrorMessage => "Date must be in the future";
+    public override bool Validate()
+    {
+        return _date > _now;
+    }
+}
\ No newline at end of file
diff --git a/dotnet/AipsCore/Domain/Common/Validation/Rules/DateInPastRule.cs b/dotnet/AipsCore/Domain/Common/Validation/Rules/DateInPastRule.cs
new file mode 100644
index 0000000..2120aa6
--- /dev/null
+++ b/dotnet/AipsCore/Domain/Common/Validation/Rules/DateInPastRule.cs
@@ -0,0 +1,22 @@
+using AipsCore.Domain.Abstract.Rule;
+
+namespace AipsCore.Domain.Common.Validation.Rules;
+
+public class DateInPastRule : AbstractRule
+{
+    private readonly DateTime _date;
+    private readonly DateTime _now;
+
+    public DateInPastRule(DateTime date) 
+    {
+        _date = date;
+        _now = DateTime.Now;
+    }
+    
+    protected override string ErrorCode => "date_in_past";
+    protected override string ErrorMessage => "Date must be in the past";
+    public override bool Validate()
+    {
+        return _date < _now;
+    }
+}
\ No newline at end of file