Programmers' Day 2025

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Programmers' Day 2025

Programmers' Day is a holiday celebrated on the 256th Day of the year, which falls on September 13th or 12th in leap years. It is dedicated to all the programmers who create and maintain the software that powers our modern world. The number 256 is significant because the number of distinct values can be represented with an 8-bit byte, a fundamental building block of contemporary computing. Programmers' Day is a time to recognize and appreciate the hard work and innovation of programmers who have contributed to technology development.

Other September's Holidays

Next Programmers' Day Countdowns

Future Dates of Programmers' Day

YearFull Date
2025
2026
2027
2028
2029
2030
2031
2032
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2034
Denys Sokolov
Hi Everyone. I'm Denys Sokolov am owner of Logic.Cool, a developer of Online Timers & Time Tools project and other online applications and mobile games. Please write me with any suggestions for improving the project.