Programmer's Day
October 24, Friday

The number 256 (28) was chosen because it is the number of distinct values that can be represented with a byte, a value well known to programmers. 256 is also the highest power of two that is less than 365, the number of days in a common year.
Programmer's Day in other years
- 2021 October 24, Sunday
- 2022 October 24, Monday
- 2023 October 24, Tuesday
- 2024 October 24, Thursday
- 2026 October 24, Saturday