32 weeks ?

So I’m a little confused. My due date is January 22nd and at my job my manager asked how many months I was and i said I just turned 8 months . She asked what was my due date and I said January 22nd she said that can’t be my due date if I just turned 8 months . She said my due date should be somewhere at the end of December. So I’m wondering how that goes ? I’m 32 weeks and my ob also been keeping track . So I’m a little lost