diff --git a/src/registrar/admin.py b/src/registrar/admin.py
index 8f379b676..3c1063145 100644
--- a/src/registrar/admin.py
+++ b/src/registrar/admin.py
@@ -796,6 +796,7 @@ class DomainAdmin(ListHeaderAdmin):
         "organization_type",
         "state",
         "created_at",
+        "first_ready_at",
         "deleted_at",
         "expiration_date",
     ]
diff --git a/src/registrar/tests/test_reports.py b/src/registrar/tests/test_reports.py
index a1cbf1a18..23cc2caf8 100644
--- a/src/registrar/tests/test_reports.py
+++ b/src/registrar/tests/test_reports.py
@@ -492,15 +492,15 @@ class ExportDataTest(TestCase):
             "domain__state__in": [
                 Domain.State.READY,
             ],
-            "domain__first_ready_at__lt": end_date,
-            "domain__first_ready_at__gt": start_date,
+            "domain__first_ready_at__lte": end_date,
+            "domain__first_ready_at__gte": start_date,
         }
         filter_conditions_for_additional_domains = {
             "domain__state__in": [
                 Domain.State.DELETED,
             ],
-            "domain__deleted_at__lt": end_date,
-            "domain__deleted_at__gt": start_date,
+            "domain__deleted_at__lte": end_date,
+            "domain__deleted_at__gte": start_date,
         }
 
         # Call the export function
diff --git a/src/registrar/utility/csv_export.py b/src/registrar/utility/csv_export.py
index 7f078362c..dad9e94c8 100644
--- a/src/registrar/utility/csv_export.py
+++ b/src/registrar/utility/csv_export.py
@@ -41,7 +41,7 @@ def write_row(writer, columns, domain_info):
         "Status": domain_info.domain.state,
         "Expiration date": domain_info.domain.expiration_date,
         "Created at": domain_info.domain.created_at,
-        "Ready at": domain_info.domain.first_ready_at,
+        "First ready at": domain_info.domain.first_ready_at,
         "Deleted at": domain_info.domain.deleted_at,
     }
     writer.writerow([FIELDS.get(column, "") for column in columns])
@@ -67,10 +67,7 @@ def export_domains_to_writer(
 
     # Condition is true for export_data_growth_to_csv. This is an OR situation so we can' combine the filters
     # in one query.
-    if (
-        filter_condition_for_additional_domains is not None
-        and "domain__deleted_at__lt" in filter_condition_for_additional_domains
-    ):
+    if filter_condition_for_additional_domains is not None:
         # Get the deleted domain infos
         deleted_domainInfos = get_domain_infos(
             filter_condition_for_additional_domains, sort_fields_for_additional_domains
@@ -222,18 +219,18 @@ def export_data_growth_to_csv(csv_file, start_date, end_date):
         "State",
         "Status",
         "Created at",
-        "Ready at",
+        "First ready at",
         "Deleted at",
         "Expiration date",
     ]
     sort_fields = [
-        "created_at",
+        "domain__first_ready_at",
         "domain__name",
     ]
     filter_condition = {
         "domain__state__in": [Domain.State.READY],
-        "domain__first_ready_at__lt": end_date_formatted,
-        "domain__first_ready_at__gt": start_date_formatted,
+        "domain__first_ready_at__lte": end_date_formatted,
+        "domain__first_ready_at__gte": start_date_formatted,
     }
 
     # We also want domains deleted between sar and end dates, sorted
@@ -243,8 +240,8 @@ def export_data_growth_to_csv(csv_file, start_date, end_date):
     ]
     filter_condition_for_additional_domains = {
         "domain__state__in": [Domain.State.DELETED],
-        "domain__created_at__lt": end_date_formatted,
-        "domain__created_at__gt": start_date_formatted,
+        "domain__deleted_at__lte": end_date_formatted,
+        "domain__deleted_at__gte": start_date_formatted,
     }
 
     export_domains_to_writer(