diff --git a/index.d.ts b/index.d.ts
index 1dfd7266..51d4d07b 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -329,7 +329,7 @@ export interface PublicMethods extends MethodOptions {
 }
 
 type InternalModelValue = Date | Date[] | null;
-interface InternalTime {
+export interface InternalTime {
     hours: number | number[];
     minutes: number | number[];
     seconds: number | number[];