If your lights are not coming on/turning off at the times that you have them scheduled in the app, your time zone may be incorrect in the database. To update your time zone, follow the instructions in this article: How to update your time zone
Note that you will need to sign into your profile on our web app to update your time zone. The web app can be accessed via https://grow.edntech.com/. The same user name and password used to log into the iOS app will be used.