Islamski Studio Taqwa? I'm not surprised that they would use so much Arabic and Persian words
Usually, the more religious a Bosniak is, the more likely they are to use Turkisms.
Yes Sahat or Sat is hour. Čas you probably use as 'moment', the same way Croats do, Serbs use it as hour as well however.
Couldn't find a better source to show what is considered true 'Bosniak language'.