Reviews posting time is set wrong - Mercoledì, 30 Novembre -0001

[Pikkolo]

Hi 

At this url you can see that virtuemart has set the posting time of the review as Mercoledì, 30 Novembre -0001

http://cseitaliaclub.it/ricerca-in-virtuemart/piemonte/torino/torino2012-03-27-14-44-53_/ristoranti-etnici/chikenriko-20-21-detail.html

Why is this so ? What is wrong ? How may I fix it ?

Thanks for any help 

Cheers

[Pikkolo]

Had to set css visibility for the date div to hidden, anyway the issue remains

Hope someone answers