holidays
Day of the Programmer, during a non-leap year. (Russia)
Related Wikipedia articles
Programmer's Day
World Programmer's Day
Programmer's Day, also known as the Day of the Programmer, is an international professional day that is celebrated on the 256th (hexadecimal 100th, or the 28th) day of each year (September 13 during common years and on September 12 in leap years).Source: Wikipedia (CC BY-SA)
Leap year
Calendar year with a day (or month) added
A leap year is a calendar year that contains an additional day compared to a common year. The 366th day is added to keep the calendar year synchronised with the astronomical year or seasonal year. Since astronomical events and seasons do not repeat in a whole number of days,…Source: Wikipedia (CC BY-SA)
Russia
Country spanning Europe and Asia
Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the largest country in the world, and extends across eleven time zones, sharing land borders with fourteen countries. With over 140 million people, Russia is the most populous country…Source: Wikipedia (CC BY-SA)