September 13

Established in Russia in 2009, Day of the Programmer celebrates software developers and their impact on modern life. Held on the 256th day of the year—symbolic of an 8-bit byte—it highlights the foundational role of programming. Tech companies, educational institutions, and coding communities host workshops, hackathons, and meetups in recognition of this day. Events often include coding challenges and talks by industry experts to inspire both seasoned professionals and aspiring developers. Although not an official public holiday, it has grown into a widespread cultural observance among tech enthusiasts.

Engineer's Day in Mauritius celebrates the achievements of engineering professionals and their role in building the nation’s infrastructure. Marked on 13 September, the day features conferences, technical exhibitions, and award ceremonies highlighting engineering projects across sectors such as transportation, energy, and construction. Universities and engineering institutions host seminars and student competitions to foster interest in science and technology careers. Government bodies and industry associations use the occasion to discuss future challenges and sustainable development goals. Through public lectures and site visits, citizens gain insight into engineering’s impact on society.