diff --git a/types/i18n-js/index.d.ts b/types/i18n-js/index.d.ts
index 4800125087..70a197772d 100644
--- a/types/i18n-js/index.d.ts
+++ b/types/i18n-js/index.d.ts
@@ -70,6 +70,8 @@ declare namespace I18n {
     }
     function toCurrency(num: number, options?: ToCurrencyOptions): string;
 
+    function toTime(scope: Scope, value: string | number | Date): string;
+
     interface ToHumanSizeOptions extends ToNumberOptions {
         format?: string;
     }