diff --git a/netbox/dcim/forms.py b/netbox/dcim/forms.py
index 2e451ec92..f2cf48d49 100644
--- a/netbox/dcim/forms.py
+++ b/netbox/dcim/forms.py
@@ -309,6 +309,11 @@ class SiteForm(BootstrapMixin, TenancyForm, CustomFieldModelForm):
         required=False
     )
     slug = SlugField()
+    time_zone = TimeZoneFormField(
+        choices=add_blank_choice(TimeZoneFormField().choices),
+        required=False,
+        widget=StaticSelect2()
+    )
     comments = CommentField()
     tags = DynamicModelMultipleChoiceField(
         queryset=Tag.objects.all(),