Programmer's Day
Celebrated on the 256th day of the year — a number every programmer knows.
1 min read · Fact-checked · Updated for 2026
About Programmer's Day
Programmer's Day is celebrated on the 256th day of the year — September 13th (September 12th in leap years). The number 256 equals 2 to the 8th power, the number of values representable in a byte. Russia made it an official professional holiday in 2009, and tech companies worldwide mark it with hackathons, games and appreciation for the people who keep the software world running.
Read more on WikipediaWhen is Programmer's Day?
Programmer's Day is celebrated every year on September 13. Upcoming dates:
| Year | Date | Day of week | |
|---|---|---|---|
| Programmer's Day 2026 | September 13, 2026 | Sunday🎉 weekend | View date → |
| Programmer's Day 2027 | September 13, 2027 | Monday | View date → |
| Programmer's Day 2028 | September 13, 2028 | Wednesday | View date → |
| Programmer's Day 2029 | September 13, 2029 | Thursday | View date → |
| Programmer's Day 2030 | September 13, 2030 | Friday | View date → |
How to Celebrate Programmer's Day
- 🎯Try a hands-on activity: code something small, automate a task, or teach someone a digital skill.
- 💡Read about the history behind Programmer's Day — it is usually stranger than you expect.
- 📣Share your project or story with #ProgrammersDay.
Official hashtag: #ProgrammersDay
Frequently Asked Questions
When is Programmer's Day 2026?
Programmer's Day 2026 is on Sunday, September 13, 2026.
How many days until Programmer's Day?
There are 62 days until Programmer's Day (September 13, 2026).
What category is Programmer's Day?
Programmer's Day is categorized as a Tech event.
Is Programmer's Day a public holiday?
Programmer's Day is an observance day, not typically a public holiday. Check your country's official calendar for local public holidays.
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