Our system factory default time is London Time , so you need to change as your time zone.
For example: Los Angeles( West 8 Time Zone) ,New York( West 5 Time Zone)
Time zone: - 8:00 , - 5:00
date format: MM/DD/YY
System date: 2017/04/06(current date)
click apply, then click ok, you can find the system date at left bottom of the third screen,
not on the top of the every camera screen.