Microsoft Excel 错误地假定 1900 年是闰年。 本文解释了为什么将 1900 年视为闰年,并概述了更正此特定问题时可能发生的行为。 更多信息 当Lotus 1-2-3 首次发布时,该计划假定 1900 年是闰年,尽管它实际上不是闰年。 这使得程序更容易处理闰年,并且不会对 Lotus 1-2-3 中的几乎所有日期计算造成伤害。
Dear all, I was working without any problems until recently I created a new worksheet and no matter what formatting I use the dates come out to be something...
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The 1900 Date System: preferably with the corrections proposed above. The 1904 Date System: The first day that is supported is January 1, 1904. Because of the design of early Macintosh computers, dates before January 1, 1904, were not supported. It might be nice to add a 3rd choice:...
Correcting this behavior would break serial date compatibility between Microsoft Excel and other programs that use dates.If the behavior remains uncorrected, only one problem occurs:The WEEKDAY function returns incorrect values for dates before March 1, 1900. Because most users do not use dates befor...
假設Microsoft SQL Server 2012 Reporting Services (SSRS 2012)報告包含的日期資料參照早于年3月 1 1900 日的日期。 當您將報表匯出為 Microsoft Excel 工作表時,工作表中的日期會比報表中對應的日期晚1天。 解決方案 此問題最初是在 SQL Server 的後續累積更新中修正。
Challenge:Excel stores a date as the number of days that have elapsed since January 1, 1900. This means that all the cool date functions do not work for dates in the 1800s. This is a problem for historians and genealogists. Solution:A formula proposed by Boller calculates elapsed days goin...
> as.Date('1900-01-01') + days(dates) [1] "2017-07-03" "2017-07-04" But, 42917 represents July 03, 2017 instead of Excel's July 01, 2017. Do you have any idea to solve this problem? I could try with > library(lubridate) ...
据你反映的这种状况，我的系统也是：当输入28/1/13时，自动变改为2028/1/13。因系统自动将前两名数字变更为日期格式，所以出现此问题。我是这样解决的：1.在新建文档时，就更改格式。此时你再输入28/1/13，系统就不会变了。希望对你有用。
将单元格的格式设为“常规”或不带小数的“数值”就可以了。