To change the date and time on RetailTime All-in-One devices, please follow the below instructions:

1. Push the O icon on the bottom of the screen. 
2. Select Settings on the All-in-One device desktop.
3. Tap on the magnifying glass on the upper right hand corner of the Settings screen.
4. Enter "time" in the search bar and search. 
5. Select Automatic Time and Date and then select your time zone.
6. Open the RetailTime app and synchronize to update the date and time within RetailTime.