Time/date problems… [SOLVED]

Hi guys,
This is one of the weirdest problems i had on my pc and that is.. the last period the time and date is wrong while it’s set to automatic!! I didn’t changed anyting!!
I’ve changed it a few times by myself but now it’s again wrong and it is setted to automatic so what can be the problem and how can i solve this?
The time zone is correct too!!
Very annoying!
Answer #1
your cmos battery is probably dead, change it and see if you still have the problem.
Answer #2
get a new CMOS battery
Answer #3
Guys i really don’t know what a “cmos” battery is but i’ve already solved it.
Here’s a printscreen of the setting i’ve changed! Normally till now the first one was selected with the red arrow.. now i selected the second one with the green arrow and updated it with the button on the right and now it is fixed!
Here’s a printscreen:

What is a “cmos” battery?
Answer #4
http://www.computerhope.com/issues/ch000239.htm
Answer #5
If you loose time after PC has been turned off and unplugged
Then change the battery as shown in above link!
Answer #6
Guys i appreciate your willing to help but why do i need to change the battery if it’s already fixed with the way i showed in the printscreen?? I just changed from the server where i was connected with for the time/date.
Btw: what is the official shortcut term for “printscreen”??
Answer #7
“PrtScr” is what’s written on my keyboard..
Good you got it done..Yes sometimes those time servers don’t work and you need to change..
We were just pointing out that with a flat battery all can be OK even when putting PC into standby but could loose clock and also CMOS settings when power is removed altogether.