diff --git a/superset-frontend/src/explore/components/controls/ColumnConfigControl/constants.tsx b/superset-frontend/src/explore/components/controls/ColumnConfigControl/constants.tsx
index 7668cf328c2f..84b0109cd823 100644
--- a/superset-frontend/src/explore/components/controls/ColumnConfigControl/constants.tsx
+++ b/superset-frontend/src/explore/components/controls/ColumnConfigControl/constants.tsx
@@ -62,6 +62,7 @@ const d3NumberFormat: ControlFormItemSpec<'Select'> = {
 
 const d3TimeFormat: ControlFormItemSpec<'Select'> = {
   controlType: 'Select',
+  allowNewOptions: true,
   label: t('D3 format'),
   description: D3_TIME_FORMAT_DOCS,
   options: D3_TIME_FORMAT_OPTIONS.map(option => ({