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The leap year problem (also known as the leap year bug or the leap day bug) is a problem for both digital (computer-related) and non-digital documentation and data storage situations which results from errors in the calculation of which years are leap years, or from manipulating dates without regard to the difference between leap years and common years.
It is the same as if 4 mod year = 0 and 100 mod year ≠ 0, then not a leap year, unless 400 mod year = 0, then it is a leap year. Sanity check {{IsLeapYear|2000}} → 1: 2000 AD is effectively a leap year (in both the Julian and Gregorian calendars) .
On 5 January 1975, the 12-bit field that had been used for dates in the TOPS-10 operating system for DEC PDP-10 computers overflowed, in a bug known as "DATE75". The field value was calculated by taking the number of years since 1964, multiplying by 12, adding the number of months since January, multiplying by 31, and adding the number of days since the start of the month; putting 2 12 − 1 ...
Both Julian and Gregorian values are shown 1500-1999 for convenience. Bold figures (e.g., 04) denote leap year. If a year ends in 00 and its hundreds are in bold it is a leap year. Thus 19 indicates that 1900 is not a Gregorian leap year, (but 19 in the Julian column indicates that it is a Julian leap year, as are all Julian x00 years).
This template is the article lead for the pages January 1 through December 31, but is not used on February 29.The template is not supposed to be a countdown clock for the current year, but rather should be a consistent lead that produces the same output regardless of the current year.
A year may be a leap year if it is evenly divisible by 4. Years divisible by 100 (century years such as 1900 or 2000) cannot be leap years unless they are also divisible by 400. (For this reason ...
I have seen a video about Windows 10 using years 9999, 10000, 20000 and 24613. In the year 9999 was functional enough, and no year was added to 9999/10000. When the year was set to 20000, Windows set it to 20001 after reboot, and after sometime in 24613, all current Windows 10 computers simply not boot.
Check your calendars, California. We get an extra day this month. Whether you’ve realized it or not, 2024 is a leap year.Every four years (typically), a leap year occurs in February — making ...