Calendar Calc

I am going to tell you one of the fastest method to find to day of any date from the year $1900 to 1999$ just by giving out 4 inputs. For this method you must know the code of the day and months.

These are the codes for the month:-

Jan=1

Feb=4

Mar=4

Apr=0

May=2

Jun=5

Jul=0

Aug=3

Sept=6

Oct=1

Nov=4

Dec=6

These are the codes for the days:-

Sun=1

Mon=2

Tue=3

Wed=4

Thu=5

Fri=6

Sat=0

Let's take an example:-

Find which day was $19 July 1967$

Let's start solving by giving the four inputs:-

--> Date = $19$

--> Last 2 digits of the year = $67$

--> Number of leap years occurred in that century = 67/4 = $16$

Note that for this input JUST TAKE THE QUOTIENT NOT THE REMAINDER.

--> Code of the month = $0$

By adding all the inputs we get the answer $102$

Now, divide the result by 7 and ONLY TAKE THE REMAINDER.

= $102 / 7$ = 14 and the remainder is 4.

And 4 is the code which day you have to find.

And 4 is the code of $Wednesday$

So, the answer is $19 July 1967 was Wednesday.$

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Markdown	Appears as
`italics` or `_italics_`	italics
`bold` or `__bold__`	bold
- bulleted - list	bulleted list
1. numbered 2. list	numbered list
Note: you must add a full line of space before and after lists for them to show up correctly
paragraph 1 paragraph 2	paragraph 1 paragraph 2
`[example link](https://brilliant.org)`	example link
`> This is a quote`	This is a quote
# I indented these lines # 4 spaces, and now they show # up as a code block. print "hello world"	# I indented these lines # 4 spaces, and now they show # up as a code block. print "hello world"

Math	Appears as
Remember to wrap math in `$` ... `$` or `\[` ... `\]` to ensure proper formatting.
`2 \times 3`	$2 \times 3$
`2^{34}`	$2^{34}$
`a_{i-1}`	$a_{i-1}$
`\frac{2}{3}`	$\frac{2}{3}$
`\sqrt{2}`	$\sqrt{2}$
`\sum_{i=1}^3`	$\sum_{i=1}^3$
`\sin \theta`	$\sin \theta$
`\boxed{123}`	$\boxed{123}$

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Math	Appears as
Remember to wrap math in `\(` ... `\)` or `\[` ... `\]` to ensure proper formatting.
`2 \times 3`	$2 \times 3$
`2^{34}`	$2^{34}$
`a_{i-1}`	$a_{i-1}$
`\frac{2}{3}`	$\frac{2}{3}$
`\sqrt{2}`	$\sqrt{2}$
`\sum_{i=1}^3`	$\sum_{i=1}^3$
`\sin \theta`	$\sin \theta$
`\boxed{123}`	$\boxed{123}$