No way to change the date, either from the device or from the PC...

post a computer or PC or PC device quesiton,
what is a yardi?
why not ask them first
it is theire GIG

https://www.yardi.com/

Good day!

1. Point mouse to time and click > change date and time settings > change date and time > continue > select appropriate time and date > OK > apply > OK > DONE.

2. Go to bios settings change date and time > save settings

Windows 7 and below:
Start> Control Panel> Date and time>Date and time will pop-up on the screen>Click on date and time to change the date and time.
Windows 8: Start> Type control and control panel will pop-up on the search list, click on that to open control panel>Date and time>Date and time will pop-up on the screen>Click on date and time to change the date and time.

Click on time section of your start bar (bottom right of screen). Then choose adjust time and date settings.. Following on screen setups to change it over to correct date and time..

DEVICE MANAGER ,GO TO TOP SCAN FOR HARDWARE CHANGES ON THE ACTIONS TAB ,ALSO CHECK UR WINDOWS UP DATES FOR UR SOUND DEVICE ,INSTALL OUT STANDING UPDATES THEN RESTART UR COMP ,AND HOPEFULLY PRESTO ,,,,MAY TAKE A WHILE FOR UP DATE TO COME BUT THIS WILL RESTORE UR SOUND

As if you have tried changing the date & time in your control panel plus BIOS.There is nothing left to be done regarding changing date & time.
But If your CMOS battery in the motherboard fails,it will always goes back to it deafult date & time.Replace the battery and it will solve your problem.

I recommend to use Sony Lithium Battery

TO SET TIME ON EXPLORIST 100 CLICK ON MENU CLICK ON PREFERENCES CLICK ON RESTART GPS SELECT YOUR COUNTRY CLICK ON YOUR STATE THEN SET TIME.

Make sure the time and date shown in the device is correct, also check that the date and time is correct in your device.

format pc setup your sound and other.........

I can only presume thsi is an older handhels.
There is a small CMOS battery that has run out.
It may be a Dell only fix.
On a PC it is on the M/board.
Small flat battery like in a watch.
Take it out and get a new one from local watch shop or Jewellers or PC shop.