SSL Errors, on all Browsers

[Webord]

I got my MacBook like 15 days ago, and yesterday a problem with all the SSL Certificates begun, on Safari, Google Chrome and Mozilla Firefox, My Mac cannot access the Gmail because of this error...

I would love to know if there is any solution.

 

[Matthew Yohe]

Is your system clock correct?

 

[Webord]

Thanks Alot...

I will kill my friend... why did he changed it?

Thanks again