@property<EOL><INDENT>def timezone(self):<DEDENT>
date = self.message.get('<STR_LIT:date>')<EOL>timezone = <NUM_LIT:0><EOL>try:<EOL><INDENT>_, timezone = convert_mail_date(date)<EOL><DEDENT>finally:<EOL><INDENT>return timezone<EOL><DEDENT>
Return timezone. Offset from UTC.