diff --git a/app/model/models.py b/app/model/models.py
index ea0c80e..b465640 100644
--- a/app/model/models.py
+++ b/app/model/models.py
@@ -1,5 +1,6 @@
 from sqlmodel import Field, Relationship, Session, SQLModel
 from typing import List
+from datetime import time
 
 class Base(SQLModel):
     pass
@@ -88,8 +89,8 @@ class Card(Base, table=True):
     group: GroupDB | None = Relationship(back_populates="cards")
 
 class TimetableBase(Base):
-    weekday: int = Field(le=7, ge=1)
-    starttime: str
+    weekday: int = Field(le=6, ge=0)
+    starttime: time
     duration: int = Field(gt=0, lt=1440)
 
 class Timetable(TimetableBase, table=True):