diff --git a/Models/DateOnlyFrame.cs b/Models/DateOnlyFrame.cs
index 4beddf8..fc6d6fb 100644
--- a/Models/DateOnlyFrame.cs
+++ b/Models/DateOnlyFrame.cs
@@ -3,7 +3,7 @@ using Microsoft.AspNetCore.Mvc;
 
 namespace NejCommon.Models;
 
-public class DateOnlyFrame
+public class DateOnlyFrame : IEquatable<DateOnlyFrame>
 {
     public DateOnlyFrame()
     {
@@ -40,4 +40,18 @@ public class DateOnlyFrame
     {
         return new DateTimeFrame(fromDate.ToDateTime(TimeOnly.MinValue), toDate.ToDateTime(TimeOnly.MaxValue));
     }
+
+    public bool Equals(DateOnlyFrame? other)
+    {
+        if (other is null) return false;
+        return this.fromDate == other.fromDate && this.toDate == other.toDate;
+    }
+    public override int GetHashCode()
+        => HashCode.Combine(fromDate, toDate);
+
+    public static bool operator ==(DateOnlyFrame left, DateOnlyFrame right)
+        => left.Equals(right);
+
+    public static bool operator !=(DateOnlyFrame left, DateOnlyFrame right)
+        => !left.Equals(right);
 }
\ No newline at end of file
diff --git a/Models/DateTimeFrame.cs b/Models/DateTimeFrame.cs
index 09efea3..e319782 100644
--- a/Models/DateTimeFrame.cs
+++ b/Models/DateTimeFrame.cs
@@ -2,7 +2,7 @@ using System.Linq.Expressions;
 using NejCommon.Utils;
 
 namespace NejCommon.Models;
-public class DateTimeFrame
+public class DateTimeFrame : IEquatable<DateTimeFrame>
 {
     public DateTimeFrame(){
 
@@ -32,4 +32,17 @@ public class DateTimeFrame
     {
         return new DateOnlyFrame(FromDate.ToDateOnly(), ToDate.ToDateOnly());
     }
+    public bool Equals(DateTimeFrame? other)
+    {
+        if (other is null) return false;
+        return this.FromDate == other.FromDate && this.ToDate == other.ToDate;
+    }
+    public override int GetHashCode()
+        => HashCode.Combine(FromDate, ToDate);
+
+    public static bool operator ==(DateTimeFrame left, DateTimeFrame right)
+        => left.Equals(right);
+
+    public static bool operator !=(DateTimeFrame left, DateTimeFrame right)
+        => !left.Equals(right);
 }
\ No newline at end of file