a day

today is Saturday but l haven't a rest because l must apply for passport.though ,l think l didn't need that,beacuse my aunt appeal me to do that,so l do it.

It's Saturday but I can't rest as I'm going to apply for a passport. I don't think I need the passport but I'm only doing it at my aunt's insistence.

or

Even thought it's Saturday, I can't rest today as I'm going to apply for a passport. I'm not convinced that I need it but my aunt insists on me doing that.

Hope this helps!