When:
the 256th day
of the year

Where:
Everywhere

First occurrence:
2002

The number 256 was chosen because
it’s the highest number that a byte can have,
which makes sense in the the hexadecimal system
used for counting digital data

“Writing the first 90 percent of a computer program
takes 90 percent of the time.
The remaining ten percent
also takes 90 percent of the time
and the final touches also take 90 percent of the time.”
(N.J. Rubenking)

Created by
Valentin Balt & Michael Cherviakov

On September 11, 2009,
then president of Russia Dmitry Medvedev signed the decree
to make Day of the Programmer an official holiday.

#ProgrammersDay

• https://en.wikipedia.org/wiki/Day_of_the_Programmer