tomorrow is Monday?
which is right of the sentences below?
tomorrow is Monday ?
it is Monday tomorrow?
tomorrow will be Monday?
it will be Mondy tomorrow?

Question

tomorrow  is Monday?
which is right of the sentences below?
tomorrow is Monday ?
it is Monday tomorrow?
tomorrow will be Monday?
it will be Mondy tomorrow?

Answer

If you're asking what day it will be, say "Is tomorrow Monday?" or "Is it Monday tomorrow?"

If you're telling someone what day it will be, say "Tomorrow is Monday."

Answer

tomorrow will be monday
tomorrow is monday