Wednesday
January 13, 2013 will fall on a Sunday.
January 13, 2010 falls on a Wednesday.
Friday
A Tuesday
Tuesday
It was a Tuesday.
Wednesday
It was a Friday.
January 13, 1985, fell on a Sunday.
I should know this because it is my birthday so it’s definitely on a Wednesday
Calliope - 2010 Upside-Down Day 3-13 was released on: USA: 12 January 2013
This varies from year to year. The 13th, August, 2010, is a Friday.