The page shows October 2031 with the 15th circled. Using odd days, find the day of the week on 15 October 1931, the day A. P. J. Abdul Kalam was born.

1931 to 2031 is 100 years. Leap days crossed: 29 February of 1932, 1936, …, 2028: 25 (2000 IS a leap year). Odd days $=100+25=125=17\times 7+6$. 15 Oct 2031 is a Wednesday; going back 6 days is the same as going forward 1: Thursday. (Friday drops 2000 as a leap year; Wednesday forgets the odd days.)