About
Programmer's Day is a professional holiday dedicated to software developers, acknowledging their significant contributions to the digital landscape. The observance occurs on the 256th day of each year, a number chosen due to its representation of the number of distinct values representable in an 8-bit byte and the highest power of two less than 365.
This date falls on September 13 in common years and September 12 during leap years. While widely recognized within the tech community, Programmer's Day is not a public holiday in most countries, meaning typical business and government operations continue as usual.
Why it matters
The holiday underscores the indispensable role that programming plays in virtually every facet of modern life, from global communication and business operations to advancements in healthcare and entertainment.
It serves as an occasion to celebrate the ingenuity and analytical prowess of programmers, encouraging pursuits in science, technology, engineering, and mathematics (STEM) fields for future innovation.
Dates
| Year | Date |
|---|---|
| 2021 | 2021-09-13 |
| 2022 | 2022-09-13 |
| 2023 | 2023-09-13 |
| 2024 | 2024-09-12 |
| 2025 | 2025-09-13 |
| 2026 | 2026-09-13 |
| 2027 | 2027-09-13 |
| 2028 | 2028-09-12 |
Related observances
No related observances.