Can you find out what day of the week was January 12, 1979? Choose the correct choice from the following options:
A) Friday. B) saturday C) sunday D) monday E) wednesday
1979 = 1900yrs + 78yrs + (period from 1st Jan to 12th Jan 1979)   1900 yrs have 1 odd day(calculated as 1600yrs have 0 odd days, n 300yrs have 15 odd days i.e.15/7= 2 weeks+1 odd day.so,for 300yrs, it's 1 odd day.totally it's  0+1= 
<gadget id="calculator"> 0+1</gadget>
<output>1</output>
1odd day for 1900yrs).   78yrs= 19leap yrs +59 ordinary yrs   = 19 *2 +59 *1= 
<gadget id="calculator">19 *2 +59 *1</gadget>
<output>97</output>
97days= 13weeks +6= 
<gadget id="calculator">+6</gadget>
<output>6</output>
6 odd days   period from 1st Jan to 12th Jan 1979=12 days = 1week   + 5= 
<gadget id="calculator">  + 5</gadget>
<output>5</output>
5 odd days   Therefore,   12th Jan 1979= 1+6+5= 
<gadget id="calculator">1+6+5</gadget>
<output>12</output>
12days=1 week +5= 
<gadget id="calculator">+5</gadget>
<output>5</output>
5 odd days   Therefore, 12th Jan 1979 was a Friday.   (Since,Sunday-&gt;0,Monday-&gt;1,...,Fri-&gt;5,sat-&gt;6)   Friday.NSWER:Friday.
<result>A</result>
Can you find out what day of the week was January 12, 1979?