How many days are there in a ordinary year?

Check whether the following years are Ordinary or Leap year?

$1994, 1985, 2000, 2007, 2010, 2100$

In the year $2013$, which was not a leap year, Mr. and Mrs. Goenka celebrated their wedding anniversary six weeks and three days after Varsha's birthday which was on ${23}^{\mathrm{rd}}$ January. If ${15}^{\mathrm{th}}$ August, $2013$ was Thursday, then on which day did Goenka's celebrate their anniversary?

If Today is Thursday. The day after $59$ days will be:

Direction: Find the day of the week on a given date.

It was Monday on January $1, 2007$. What day of the week lies on Jan $1, 2008$ ?

On $8^{th} Dec,2010$, it was Saturday. What day of the week was it on $8^{th} Dec,2009$?