In a job interview is it acceptable for the applicant to be asked what his 'Zodiac star sign' is ?

@nedkelly Who he?

@Nimbus The Zodiac Killer is the pseudonym of an unidentified serial killer who operated in Northern California in the late 1960s. The Zodiac murdered five known victims in the San Francisco Bay Area between December 1968 and October 1969, operating in rural, urban and suburban settings.