Asking about day

Aman : What day is it today?
Sunil : It’s Tuesday.
Aman : So tomorrow will be Wednesday?
Sunil : Yes, Why do you ask about the day?
Aman : Because tomorrow, on Wednesday is  my birthday.
Sunil : Wow...I do not know that. Will you make a party?
Aman : Yes, Just come on Wednesday for my birthday party.
Sunil : Sure, definately!