How to Calculate Odd Days in a Year

The video tutorial explains how to determine the day of the week for a specific date by calculating odd days. It covers the concept of leap and non-leap years, showing how to compute odd days for each year from 2006 to 2009. The tutorial concludes with determining that 1st January 2010 was a Friday.

Which day of the week was 31st December 2009?

What day of the week is 1st January 2010?