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He who is has imagination without learning has wings but not feet. Joseph Joubert
Date Memorization Techniques
Govinda Neupane
English Date Memory
I. Century Formula
II. Year Formula
III. Month Formula
IV. Day Formula
Note: If there is Leap Year and month is January or
February Month code should be decrease by one(-1).
How to calculate
Month Code
Year Code
Century code
Key points
The calendar date calculation steps:
i. Take the number code for the century.
ii. Take the number code for year.
iii. Take the number code for the month
iv. Take the number of the day
Add them together (making sure to always divide by 7
and keep the remainder)
Date Calculation
Last but not list translate your answer,
into number which will be a 0-6 and
0 represent Saturday 1 represent Sunday
and so on.
Century Formula
 C.F. = Century divide by 4. ex 20/4 remi = 0 = 6 or (-1)
 If reminder
 0 = 6(-1)
 1= 4
 2= 2
 3= 0
.
Year Formula
 If year = 70
 Year Code. = Year /4 = (17) quotient +
year / 7 (0) Reminder
Again, quotient + reminder  7 = 17+0=7 = 3
(Reminder) so
Day = Tuesday
Note: Quotient + Reminder / 7 and count the
reminder as a day
Months Formula
 Tricks 144….. 146 in in
between square of 5 and 6
before it place 0 on it.
 January = 1
 February = 4
 March = 4
 April = 0
 May = 2
 June = 5
 July = 0
 August = 3
 September = 6
 October = 1
 November = 4
 December = 6
Note: If there is Jan or
Feb Month code value
should be decrease by
one in leap year.
Calendar Memorizing
 Example1:
2023 march 23
c/4 = 20/4 reminder 0 = 6 (-1)
Year = 23 = 0
Month = March = 4 Day = 23
 Example1:
2320 November 30
c/4 = 23/4 reminder 3 = 0
Year = 20 = 4
Month = Nov= 4
Day = 30
6+ 0 + 4 + 23 = 33/7= 5( Thursday)
0 + 4 + 4 + 30 = 38/7= 3( Tuesday)
Prepared by
(Govinda Neupane)

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Date memorization techniques

  • 1. He who is has imagination without learning has wings but not feet. Joseph Joubert Date Memorization Techniques Govinda Neupane
  • 2. English Date Memory I. Century Formula II. Year Formula III. Month Formula IV. Day Formula Note: If there is Leap Year and month is January or February Month code should be decrease by one(-1).
  • 3. How to calculate Month Code Year Code Century code
  • 4. Key points The calendar date calculation steps: i. Take the number code for the century. ii. Take the number code for year. iii. Take the number code for the month iv. Take the number of the day Add them together (making sure to always divide by 7 and keep the remainder)
  • 5. Date Calculation Last but not list translate your answer, into number which will be a 0-6 and 0 represent Saturday 1 represent Sunday and so on.
  • 6. Century Formula  C.F. = Century divide by 4. ex 20/4 remi = 0 = 6 or (-1)  If reminder  0 = 6(-1)  1= 4  2= 2  3= 0 .
  • 7. Year Formula  If year = 70  Year Code. = Year /4 = (17) quotient + year / 7 (0) Reminder Again, quotient + reminder 7 = 17+0=7 = 3 (Reminder) so Day = Tuesday Note: Quotient + Reminder / 7 and count the reminder as a day
  • 8. Months Formula  Tricks 144….. 146 in in between square of 5 and 6 before it place 0 on it.  January = 1  February = 4  March = 4  April = 0  May = 2  June = 5  July = 0  August = 3  September = 6  October = 1  November = 4  December = 6 Note: If there is Jan or Feb Month code value should be decrease by one in leap year.
  • 9. Calendar Memorizing  Example1: 2023 march 23 c/4 = 20/4 reminder 0 = 6 (-1) Year = 23 = 0 Month = March = 4 Day = 23  Example1: 2320 November 30 c/4 = 23/4 reminder 3 = 0 Year = 20 = 4 Month = Nov= 4 Day = 30 6+ 0 + 4 + 23 = 33/7= 5( Thursday) 0 + 4 + 4 + 30 = 38/7= 3( Tuesday)