Thank you! This is the solution. Now I have the dates on my emails. :)
cd /usr/local/php/
if you type "ls" view the files abovenano php.ini
i found [Date]
; Defines the default timezone used by the date functions
; http://php.net/date.timezone
;date.timezone =
and i modif to : [Date]
; Defines the default timezone used by the date functions
; http://php.net/date.timezone
date.timezone ="Europe/Bucharest"
service httpd restart