diff --git a/src/api/types.ts b/src/api/types.ts
index f6b83fd75..31cfb5e5d 100644
--- a/src/api/types.ts
+++ b/src/api/types.ts
@@ -2044,7 +2044,7 @@ export type DataStreamNames = DataStreamName | DataStreamName[]
 
 export type DateFormat = string
 
-export type DateMath = string
+export type DateMath = string | Date
 
 export type DateTime = string | EpochTime<UnitMillis>
 
diff --git a/src/api/typesWithBodyKey.ts b/src/api/typesWithBodyKey.ts
index 22af6bb62..901559cab 100644
--- a/src/api/typesWithBodyKey.ts
+++ b/src/api/typesWithBodyKey.ts
@@ -2117,7 +2117,7 @@ export type DataStreamNames = DataStreamName | DataStreamName[]
 
 export type DateFormat = string
 
-export type DateMath = string
+export type DateMath = string | Date
 
 export type DateTime = string | EpochTime<UnitMillis>