Tomi the liar
Tomi is a boy who like to lie (Don't be like him). He only said truth one day in a week.
One day he said (Day 1): " I lied on Monday and Tuesday".
The next day he said (Day 2): "Today is Sunday, Saturday, or Thursday".
The next day after the next day he said (Day 3) : "I lied on Friday and Wednesday".
On what day Tomi telling a truth?
If your answer is : Sunday answer 1, Monday 2, Tuesday 3, Wednesday 4, and so on.
I take the problem from Olympiad in my country