diff --git a/src/Mixins/Expectation.php b/src/Mixins/Expectation.php
index 0513face..d087162d 100644
--- a/src/Mixins/Expectation.php
+++ b/src/Mixins/Expectation.php
@@ -124,7 +124,7 @@ final class Expectation
      *
      * @return self<TValue>
      */
-    public function toBeGreaterThan(int|float $expected, string $message = ''): self
+    public function toBeGreaterThan(int|float|\DateTime|\DateTimeImmutable $expected, string $message = ''): self
     {
         Assert::assertGreaterThan($expected, $this->value, $message);
 
@@ -136,7 +136,7 @@ final class Expectation
      *
      * @return self<TValue>
      */
-    public function toBeGreaterThanOrEqual(int|float $expected, string $message = ''): self
+    public function toBeGreaterThanOrEqual(int|float|\DateTime|\DateTimeImmutable $expected, string $message = ''): self
     {
         Assert::assertGreaterThanOrEqual($expected, $this->value, $message);
 
@@ -148,7 +148,7 @@ final class Expectation
      *
      * @return self<TValue>
      */
-    public function toBeLessThan(int|float $expected, string $message = ''): self
+    public function toBeLessThan(int|float|\DateTime|\DateTimeImmutable $expected, string $message = ''): self
     {
         Assert::assertLessThan($expected, $this->value, $message);
 
@@ -160,7 +160,7 @@ final class Expectation
      *
      * @return self<TValue>
      */
-    public function toBeLessThanOrEqual(int|float $expected, string $message = ''): self
+    public function toBeLessThanOrEqual(int|float|\DateTime|\DateTimeImmutable $expected, string $message = ''): self
     {
         Assert::assertLessThanOrEqual($expected, $this->value, $message);
 
diff --git a/tests/.snapshots/success.txt b/tests/.snapshots/success.txt
index 217f831f..2db57d3f 100644
--- a/tests/.snapshots/success.txt
+++ b/tests/.snapshots/success.txt
@@ -334,12 +334,14 @@
 
    PASS  Tests\Features\Expect\toBeGreatherThan
   ✓ passes
+  ✓ passes with DateTime and DateTimeImmutable
   ✓ failures
   ✓ failures with custom message
   ✓ not failures
 
    PASS  Tests\Features\Expect\toBeGreatherThanOrEqual
   ✓ passes
+  ✓ passes with DateTime and DateTimeImmutable
   ✓ failures
   ✓ failures with custom message
   ✓ not failures
@@ -382,12 +384,14 @@
 
    PASS  Tests\Features\Expect\toBeLessThan
   ✓ passes
+  ✓ passes with DateTime and DateTimeImmutable
   ✓ failures
   ✓ failures with custom message
   ✓ not failures
 
    PASS  Tests\Features\Expect\toBeLessThanOrEqual
   ✓ passes
+  ✓ passes with DateTime and DateTimeImmutable
   ✓ failures
   ✓ failures with custom message
   ✓ not failures
@@ -990,4 +994,4 @@
    PASS  Tests\Visual\Version
   ✓ visual snapshot of help command output
 
-  Tests:    2 deprecated, 3 warnings, 4 incomplete, 1 notice, 4 todos, 12 skipped, 695 passed (1680 assertions)
\ No newline at end of file
+  Tests:    2 deprecated, 3 warnings, 4 incomplete, 1 notice, 4 todos, 12 skipped, 695 passed (1680 assertions)
diff --git a/tests/Features/Expect/toBeGreatherThan.php b/tests/Features/Expect/toBeGreatherThan.php
index 798c23bb..a3ceafef 100644
--- a/tests/Features/Expect/toBeGreatherThan.php
+++ b/tests/Features/Expect/toBeGreatherThan.php
@@ -7,6 +7,15 @@ test('passes', function () {
     expect(4)->toBeGreaterThan(3.9);
 });
 
+test('passes with DateTime and DateTimeImmutable', function () {
+    $now = new DateTime();
+    $past = (new DateTimeImmutable())->modify('-1 day');
+
+    expect($now)->toBeGreaterThan($past);
+
+    expect($past)->not->toBeGreaterThan($now);
+});
+
 test('failures', function () {
     expect(4)->toBeGreaterThan(4);
 })->throws(ExpectationFailedException::class);
diff --git a/tests/Features/Expect/toBeGreatherThanOrEqual.php b/tests/Features/Expect/toBeGreatherThanOrEqual.php
index cfa1da07..4a0f62ad 100644
--- a/tests/Features/Expect/toBeGreatherThanOrEqual.php
+++ b/tests/Features/Expect/toBeGreatherThanOrEqual.php
@@ -7,6 +7,17 @@ test('passes', function () {
     expect(4)->toBeGreaterThanOrEqual(4);
 });
 
+test('passes with DateTime and DateTimeImmutable', function () {
+    $now = new DateTime();
+    $past = (new DateTimeImmutable())->modify('-1 day');
+
+    expect($now)->toBeGreaterThanOrEqual($now);
+
+    expect($now)->toBeGreaterThanOrEqual($past);
+
+    expect($past)->not->toBeGreaterThanOrEqual($now);
+});
+
 test('failures', function () {
     expect(4)->toBeGreaterThanOrEqual(4.1);
 })->throws(ExpectationFailedException::class);
diff --git a/tests/Features/Expect/toBeLessThan.php b/tests/Features/Expect/toBeLessThan.php
index 9002c424..802c1c08 100644
--- a/tests/Features/Expect/toBeLessThan.php
+++ b/tests/Features/Expect/toBeLessThan.php
@@ -7,6 +7,15 @@ test('passes', function () {
     expect(4)->toBeLessThan(5);
 });
 
+test('passes with DateTime and DateTimeImmutable', function () {
+    $now = new DateTime();
+    $past = (new DateTimeImmutable())->modify('-1 day');
+
+    expect($past)->toBeLessThan($now);
+
+    expect($now)->not->toBeLessThan($now);
+});
+
 test('failures', function () {
     expect(4)->toBeLessThan(4);
 })->throws(ExpectationFailedException::class);
diff --git a/tests/Features/Expect/toBeLessThanOrEqual.php b/tests/Features/Expect/toBeLessThanOrEqual.php
index 4413e05f..e5643759 100644
--- a/tests/Features/Expect/toBeLessThanOrEqual.php
+++ b/tests/Features/Expect/toBeLessThanOrEqual.php
@@ -7,6 +7,17 @@ test('passes', function () {
     expect(4)->toBeLessThanOrEqual(4);
 });
 
+test('passes with DateTime and DateTimeImmutable', function () {
+    $now = new DateTime();
+    $past = (new DateTimeImmutable())->modify('-1 day');
+
+    expect($now)->toBeLessThanOrEqual($now);
+
+    expect($past)->toBeLessThanOrEqual($now);
+
+    expect($now)->not->toBeLessThanOrEqual($past);
+});
+
 test('failures', function () {
     expect(4)->toBeLessThanOrEqual(3.9);
 })->throws(ExpectationFailedException::class);