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This problem can be seen in the spreadsheet program Microsoft Excel as of 2023, which stores dates as the number of days since 31 December 1899 (day 1 is 1 January 1900) with a fictional leap day in 1900 if using the default 1900 date system. Alternatively, if using the 1904 date system, the date is stored as the number of days since 1 January ...
Microsoft Excel (using the default 1900 Date System) cannot display dates before the year 1900, although this is not due to a two-digit integer being used to represent the year: Excel uses a floating-point number to store dates and times. The number 1.0 represents the first second of January 1, 1900, in the 1900 Date System (or January 2, 1904 ...
Ongoing maintenance of date formats may one day be carried out by bots on articles already tagged with templates ({{use dmy dates}} or {{use mdy dates}}) which help to identify the correct format. Potentially ambiguous dates, using slashes or full stops (6/7/1961, 12/07/1986, 6.7.1961, 12.07.1986) are re-appearing on some thousands of pages ...
Software timekeeping systems vary widely in the resolution of time measurement; some systems may use time units as large as a day, while others may use nanoseconds.For example, for an epoch date of midnight UTC (00:00) on 1 January 1900, and a time unit of a second, the time of the midnight (24:00) between 1 January 1900 and 2 January 1900 is represented by the number 86400, the number of ...
Even before 1 January 2000 arrived, there were also some worries about 9 September 1999 (albeit less than those generated by Y2K). Because this date could also be written in the numeric format 9/9/99, it could have conflicted with the date value 9999, frequently used to specify an unknown date. It was thus possible that database programs might ...
If a section title contains a link in a format such that the date formatting feature applies, the section title is user-dependent. However, for section linking this would require a link target that is correspondingly user-dependent, which does not seem possible with the current software without some special extension.
System time is measured by a system clock, which is typically implemented as a simple count of the number of ticks that have transpired since some arbitrary starting date, called the epoch. For example, Unix and POSIX -compliant systems encode system time (" Unix time ") as the number of seconds elapsed since the start of the Unix epoch at 1 ...
C#, PL/SQL, Transact-SQL, PowerBuilder Windows only 1995 2017 Proprietary VSdocman: Helixoft Text VB, VBScript, C# Windows only 2003 Oct 2 9.0 Proprietary YARD: Loren Segal Text Ruby Any 2007/02/24 0.7.3 MIT Name Creator Input format Languages (alphabet order) OS support First public release date Latest stable version Software license