http://bugs.winehq.org/show_bug.cgi?id=36966
--- Comment #3 from Bruno Jesus 00cpxxx@gmail.com --- (In reply to Yanis Lukes from comment #2)
"Changing timezone to GMT or something else fixes it" Duplicate of bug: http://bugs.winehq.org/show_bug.cgi?id=32916 (Brazilian timezones are not correctly detected)
The problem is the same but since it's for a different timezone I think it's OK to leave it open.