---
title: "Update Assignment Dates"
method: PUT
path: "/teacher/assignments/{assignment_id}/dates"
tags: ["teacher_assignments"]
---

# Update Assignment Dates

`PUT /teacher/assignments/{assignment_id}/dates`

Update the start and due dates of an assignment.

## Path parameters

- `assignment_id` string, required

## Request body

- UpdateDatesRequest
  - `start_date` string, date-time, nullable
  - `due_date` string, date-time, nullable

## Response `200`

Successful Response

- AutoSaveResponse
  - `status` string
  - `message` string
  - `updated_at` string, date-time, required
  - `exercise_ids` string[], nullable
  - `exercises` AssignmentExerciseStub[], nullable
    - `id` string, required
    - `order` integer, required
    - `source` 'teacher' | 'public' | 'calcul_template' | 'annale' | 'unknown'
    - `title` string, nullable
    - `original_id` string, nullable
    - `source_public_exercise_id` string, nullable
    - `source_annales_exercise_id` string, nullable
  - `added_exercises` AssignmentExerciseStub[], nullable
    - `id` string, required
    - `order` integer, required
    - `source` 'teacher' | 'public' | 'calcul_template' | 'annale' | 'unknown'
    - `title` string, nullable
    - `original_id` string, nullable
    - `source_public_exercise_id` string, nullable
    - `source_annales_exercise_id` string, nullable
  - `removed_exercise_ids` string[], nullable
  - `new_exercise_ids` string[], nullable
  - `imported_exercises` object[], nullable

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/excellence-ai/apis/excellence-learning.md) · [All operations](https://skmtc.dev/excellence-ai/apis/excellence-learning/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/excellence-ai/excellence-learning/revisions/8d495ed916c6/schema)