Programmers' Day 1905

Wednesday, 13 September 1905

Programmers' Day is celebrated on the 256th day of the year, a number significant in computing as a power of two, honouring software developers, programmers, and the global technology community.

Frequently asked questions

When is Programmers' Day 1905?
Programmers' Day 1905 is on Wednesday, 13 September 1905.
What day of the week is Programmers' Day 1905?
It falls on Wednesday.
How is Programmers' Day calculated?
This event is observed on the 256th day of the year.