PAGE 03 --- YEAR 1900 TO1999 - How to Remember Day of Any Year
HUMAN COMPUTER
Year
1900 TO 1999
How to remember any DAY of the date
Mentally you can find out day of a any date, in perticular month ,
Basic memorization and remembering Month Code.
ONLY - FIVE - STEPS
| Month chart | Week chart | |||
| January | 1 leaf year 0 | .............. | Sunday | 1 |
| February | 4 leaf year 3 | Monday | 2 | |
| March | 4 | Tuesday | 3 | |
| April | 0 | Wednesday | 4 | |
| May | 2 | Thursday | 5 | |
| June | 5 | Friday | 6 | |
| July | 0 | Saturday | 0 | |
| August | 3 | |||
| September | 6 | |||
| October | 1 | |||
| November | 4 | |||
| December | 6 |
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Example 01
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How To find day of 01-01-1956 is Sunday
Step - 1 = Take the last 2 digit of the year and divide by 4 or ADD 1/4 of the year
= 56 + 14 = 70 ( year + 1/4 of the year) - ignore if any decimal .
Step - 2 = If year is Leap year January is - 0 - zero, February is - 3 -
Get the Corresponding code of the Month-chart
January, code is = 0
Step - 3 = Take the "Date" from 01-01-1956 = 01
Step - 4 = ADD step 1 + step 2 + step 3 ( 70 + 0 + 01 = 71 )
Step - 5 = Divide step4 by 7 take only remainder = 71 / 7 = 1
remainder is 1 .
Step - 6 = This remainder number is correspondece to the above WEEK chart, CHECK code,
remainder 1 shows - SUNDAY -.
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Answer:- SUNDAY (01-01-1956) Before answer check STEP - 7
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Step 7:-
Different centuries : -
1700 add 5
1800 add 3
1900 add 1
2100 substract - 2
2200 substract - 4
(For this method we have to consider a "00" year as part of the new century.
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Example 02 - in different way but same method.
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How To find day of 19 - 04 - 1983 is TUESDAY
| STEP 01 | YEAR 1983 take only last two digit -83 divide by 4 (common code 4) | 83 divide by 4 | 83/4 | = 20 |
| STEP 02 | ADD year + step 1 answer | 83 + 20 | = 103 | |
| STEP 03 | Check given year is leap year or not if Leap year January is 0 zero, February is 3 | add month code + date | 0 + 19 | = 19 |
| J-1 OR 0, F-4 OR 3, M-4, A-0, M-2, J-5, Ju-0, A-3 S-6, O-1, N-4, D-6 =Select month code | ||||
| STEP 04 | ADD Step 02 + Step 03 | 103 + 19 | = 122 | |
| STEP 05 | Divide Step 4 / by 7 | 122 / 7 | = 3 | |
| STEP 06 | Check Month code S-1, M-2, T-3, W-4, Th-5, F-6, S-0 | 3 is tuesday | TUESDAY | |
| ANSWER IS - TUESDAY -- |
Check step 7 is necessary or not.
Step 7:-
Different centuries : -
1700 add 5
1800 add 3
1900 add 1
2100 substract - 2
2200 substract - 4
(For this method we have to consider a "00" year as part of the new century.
NOTE;- Apart from basic steps, other elements have to be taken into account.
2 ) LEAP YEARS:- Remember that leap years are not always every 4 years, There are exceptions. Years that end in 00 are not leap years unless it is a multiple of 400. Therefore 1700, 1800, 1900, and 2100 are not leap years, but 2000 is leap year.
(The year ending in 0, 4, 8 in even decades, and year ending in 2, 6 in odd decades)
3) Negative numbers, during the calculation you get 0 zero or Negative numbers, just add SEVEN
until you get a number from 1-7
NOTE:- How to memorize the code of Month:-
6225
0351
4624
How to get old calender from NET :
Search in google - "YEAR 1956 CALENDER", - OR - USE WINDOWS - CALENDER .
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