> there was no leap day in the year 1900 Tell that to the management over at Microsoft. [1] [1] https://docs.microsoft.com/en-us/office/troubleshoot/excel/wro

> there was no leap day in the year 1900 Tell that to the management over at Microsoft. [1] [1] https://docs.microsoft.com/en-us/office/troubleshoot/excel/wrongly-assumes-1900-is-leap-year https://docs.microsoft.com/en-us/office/troubleshoot/excel/w...