06 | For Example How To Use Principle

Looking for May 5, 1988

Solution using a year of 2000 A.D. to be principle year (to be a result of year memorize 2000) and write back until year of 1988, or nearly (back like many leap years, if year of 1988 was a leap year we will have 1988, if it wasn,t leap year in 1988 we will have nearly year)


Will get May 1,1988. To be on Sunday

To continue count will get May 2 , To be on Monday
To continue count will get May 3 , To be on Tuesday
To continue count will get May 4 , To be on Wednesday

So. May 5, 1988. To be on Thursday



Looking for September 23, 1991

Solution year of 2000, to be principle year, by using many leap years to be principle (far for 4 years)