Practicing Success
What was the day of the week on 9th May 1997 ? |
Monday Sunday Saturday Friday |
Friday |
\(\frac{Date + Month\;code + Century\;code + Century\;upper\;year + Quotient\;of\;\frac{upper\;year}{4}}{7}\) = \(\frac{9 + 1 + 0 + 97 + 24}{7}\) \(\frac{131}{7}\) = 5 remainder remainder code is Friday Note: Code for Mon – 1 Tues – 2 Wed – 3 Thurs – 4 Fri – 5 Sat – 6 sun – 0 Code for Jan – 0 Apr – 6 July – 6 Oct – 0 Feb – 3 May – 1 Aug-2 June – 4 Sep – 5 Dec – 5 Code for 1900 is 0 2000 is 6 2100 is 4 2200 is 2 2300 is 0 2400 is 6 2500 is 4 and Likewise |