When did/will something happen.

I saw Maria on Monday. Today is Wednesday.
I saw Maria the day before yesterday.


I will see Maria on Friday. Today is Wednesday.
I will see Maria the day after tomorrow.


I saw Maria last Wednesday. Today is Wednesday.
I saw Maria a week ago today.


I will see Maria next Wednesday. Today is Wednesday.
I will see Maria this day week.

I saw Maria on Monday of last week.
I saw Maria a week ago last Monday.

I will see Maria on Friday of next week.
I will see Maria a week on Friday.