Monday
What day of the week was January 5 2005
what day of the week was January 1st 1936
It is the 22nd of January. The actual day of the week will depend on the year, so it can be any day of the week.
January 30th is Saturday of the 5th week.
It can be on any day [Saturday, January 1, 2011]
That day will be a Friday.
Friday
9th January 2010 was a Saturday.
January 5,2003, was a Sunday.
January 31st, 2013, is a Thursday.
New Year's Day is on whatever day of the week has a calendar date of January 1st.
January the 10th falls on all days of the week at some point.