Friday
If today is Wednesday it will be Saturday 136 days (19 weeks and 3 days) from today.
Also Wednesday 7 x 17 = 119
Wednesday,Wednesday,Wednesday,Wednesday,Wednesday,Wednesday,Wednesday,Wednesday,Wednesday,Wednesday,Wednesday,
It will be Saturday.
If today is Wednesday, it be a Saturday if there is no leap year, or a Sunday if there is a leap year, within the next 1249 days.
Thursday
Friday.
In 7000 days it will be Wednesday again. This is because there are 7 days in a week, so every 7000 days the same day of the week will repeat.
Tuesday
Five days after Wednesday is Monday. So if Monday is the day after tomorrow, today is Saturday.
7 or 14 or 21 or 28 days ago was also Wednesday 29 = Tuesday 30 = Monday
Wednesday morning, it is correct to say I have not seen him for one day. Wednesday afternoon, or by working day end, it is correct to say I have not seen him for two days