You can now use Change Calendar to prevent desired-state configuration updates made usingState Manager. Change Calendar and State Manager are both capabilities of AWS SystemsManager. With Change Calendar, you can schedule calendar events to control when changescan be made to your AWS resources. You can use State Manager to define, enforce, and reporton desired state configuration compliance for your infrastructure. With this new integration,you can help ensure that your desired-state configuration updates do not conflict withimportant business activities, such as sales events or new product launches.
Source:: Amazon AWS