diff --git a/aurora/models.py b/aurora/models.py
index 2b8fcb8..f875ce7 100644
--- a/aurora/models.py
+++ b/aurora/models.py
@@ -68,3 +68,11 @@ class Moderation(BaseModel):
                 return cls(**case)
 
         return None
+
+class JSONEncoder(json.JSONEncoder):
+    def default(self, o):
+        if isinstance(o, datetime):
+            return o.timestamp()
+        if isinstance(o, timedelta):
+            return str(o)
+        return super().default(o)