How to change the date in the library

[Sfc]

How to change the date in the library on my 1080q it is now  the month of aug but it shows July  and the date is wrong also , please help  Thanks 

[TomMac]

Usu the Library changes month by the small ">" at each side of the Month line.

If this is failing to change the month, then do a reboot of the base via the power button.