Asallam u Alaikum, If a person went on a funfair ride which was called 'Zodiac'. Then they realised it was named after the zodiac signs which are shirk, did they have to repent and is this sinful or shirk (naoouzubillah). The person does not believe in any zodiac signs or star signs etc.
All perfect praise be to Allaah, The Lord of the Worlds. I testify that there is none worthy of worship except Allaah, and that Muhammad, sallallaahu ‘alayhi wa sallam, is His slave and Messenger.
For further benefit, please refer to Fataawa 4045 and 3790 about the impermissibility of believing in the influence of stars and celestial bodies on people (astrology) and reading zodiac signs.
Allaah Knows best.
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