diff --git a/app/Filament/Resources/TimeEntryResource.php b/app/Filament/Resources/TimeEntryResource.php
index 56ac3898..cd9a5ce9 100644
--- a/app/Filament/Resources/TimeEntryResource.php
+++ b/app/Filament/Resources/TimeEntryResource.php
@@ -49,7 +49,7 @@ class TimeEntryResource extends Resource
                     ->label('End')
                     ->nullable()
                     ->rules([
-                        'after:start',
+                        'after_or_equal:start',
                     ]),
                 Select::make('user_id')
                     ->relationship(name: 'user', titleAttribute: 'email')
diff --git a/app/Http/Requests/V1/TimeEntry/TimeEntryStoreRequest.php b/app/Http/Requests/V1/TimeEntry/TimeEntryStoreRequest.php
index 10bc8635..062e1358 100644
--- a/app/Http/Requests/V1/TimeEntry/TimeEntryStoreRequest.php
+++ b/app/Http/Requests/V1/TimeEntry/TimeEntryStoreRequest.php
@@ -71,7 +71,7 @@ class TimeEntryStoreRequest extends FormRequest
             'end' => [
                 'nullable',
                 'date_format:Y-m-d\TH:i:s\Z',
-                'after:start',
+                'after_or_equal:start',
             ],
             // Whether time entry is billable
             'billable' => [
diff --git a/app/Http/Requests/V1/TimeEntry/TimeEntryUpdateRequest.php b/app/Http/Requests/V1/TimeEntry/TimeEntryUpdateRequest.php
index 0f125cd2..8aa821a1 100644
--- a/app/Http/Requests/V1/TimeEntry/TimeEntryUpdateRequest.php
+++ b/app/Http/Requests/V1/TimeEntry/TimeEntryUpdateRequest.php
@@ -70,7 +70,7 @@ class TimeEntryUpdateRequest extends FormRequest
             'end' => [
                 'nullable',
                 'date_format:Y-m-d\TH:i:s\Z',
-                'after:start',
+                'after_or_equal:start',
             ],
             // Whether time entry is billable
             'billable' => [