Adjusting a day open or close requires you to be logged into an account with administrative access. For details on this subject, refer to this article.
To adjust a day open or close, click the “Retail Chain” module in the top bar, and click Day Openings and Closings from the submenu.
To add a closing or opening from this screen, use the “New” button at the top or the “+” icon in the bottom bar. You can also delete a closing or opening using the X icon to the right of each entry, or modify a closing or opening by clicking on the particular entry.
Clicking on an entry will bring you to the screen above, in which you can manipulate the attributes of a given open/close, such as the opening or closing time, monetary details, and more. Hit “Save” when you are done updating.