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GPS dates are expressed as a week number and a day-of-week number, with the week number initially using a ten-bit value and modernised GPS navigation messages using a 13-bit field. Ten-bit systems would roll over every 1024 weeks (about 19.6 years) after Sunday 6 January 1980 (the GPS epoch ), and 13-bit systems roll over every 8192 weeks.
Microsoft Access is designed to scale to support more data and users by linking to multiple Access databases or using a back-end database like Microsoft SQL Server. With the latter design, the amount of data and users can scale to enterprise-level solutions. Microsoft Access's role in web development prior to version 2010 is limited.
For determination of the day of the week (1 January 2000, Saturday) the day of the month: 1 ~ 31 (1) the month: (6) the year: (0) the century mod 4 for the Gregorian calendar and mod 7 for the Julian calendar (0). adding 1+6+0+0=7. Dividing by 7 leaves a remainder of 0, so the day of the week is Saturday. The formula is w = (d + m + y + c) mod 7.
The Babylonians invented the actual [clarification needed] seven-day week in 600 BCE, with Emperor Constantine making the Day of the Sun (dies Solis, "Sunday") a legal holiday centuries later. [2] In the international standard ISO 8601, Monday is treated as the first day of the week, but in many countries it is counted as the second day of the ...
Retrieved from "https://en.wikipedia.org/w/index.php?title=Calculating_the_day_of_the_week&oldid=473328703"
So any day number prior to March 1, 1900 is incorrect. Access doesn't have the same bug, but to keep the dates compatible (at least after February 28/29, 1900), they start day 1 in Excel on December 31, 1899 instead of January 1, 1900 like in Access. The problem mostly goes away if you use 1904-based dates instead.
Microsoft Access 2000 4.0 SP1 Microsoft Access 2002 [4] Microsoft Access 2003 [5] Microsoft Access 2007 ACE 12 Microsoft Access 2010 ACE 14 Microsoft Access 2013 ACE 15 Microsoft Access 2016 ACE 16 Visual Basic 3.0 1.1 Visual Basic Compatibility Layer 2.0 Visual Basic 4.0 16-bit 2.5 Visual Basic 4.0 32-bit 3.0 Visual Basic 5.0 3.5 Visual C++ 4 ...
Legend User Interface: Browser based - executes on a computer server and is accessed via a network using a web browser; desktop - executes on a personal computer; Create/alter table: