Android Verizon Optimus zone 2 doesn't have an option to disable automatic Date & Time

[AC Question]

I have an Android Lg G3 Smartphone. For some reason my phone does not even have the option to disable the automatic date & time in my settings ! It only has the 12/24 hr format & the date format. That's all ! Makes no sense to me why they'd omit that option. ( I have an Android tablet that do have the option)Does anyone know another way I can set my date & time manually ? I appreciate any help !! Thanx so much !!