A common date formatting error is to accidentally use the “iso week year” instead of “calendar year”, which is the same 99% of the time except sometimes at the

A common date formatting error is to accidentally use the “iso week year” instead of “calendar year”, which is the same 99% of the time except sometimes at the end of the year, as your example shows. https://ericasadun.com/2018/12/25/iso-8601-yyyy-yyyy-and-why-your-year-may-be-wrong/ https://ericasadun.com/2018/12/25/iso-8601-yyyy-yyyy-and-why...