Excelweekdayerror

,2021年4月19日—TheExcelWEEKDAYfunctionreturnsavaluewhenthereisnodatetoevaluate,alwaysequivalenttothevalueforSaturdaygiventhereturn ...,2023年5月12日—Thiserroroccurswhentheserial_numberargumentisnotavaliddate.Tofixthiserror,makesurethatthedateisenteredcorrectly.,2014年6月25日—Theproblemisthatthedateisastring,andnotarealExceldateformattedasyoushow.TheWEEKDAYfunctionneedshavearealExcel ...,2023年...

參考資訊如下
Excel WEEKDAY function not working

Excel WEEKDAY function returns value when no date is ...

2021年4月19日 — The Excel WEEKDAY function returns a value when there is no date to evaluate, always equivalent to the value for Saturday given the return ...

How to Use The Weekday Function in Excel

2023年5月12日 — This error occurs when the serial_number argument is not a valid date. To fix this error, make sure that the date is entered correctly.

WEEKDAY Error With Excel

2014年6月25日 — The problem is that the date is a string, and not a real Excel date formatted as you show. The WEEKDAY function needs have a real Excel ...

WEEKDAY formula in Excel to get day of week, weekends ...

2023年10月10日 — See how to use the WEEKDAY function in Excel to get day of week from date, identify, filter, count and highlight weekends or weekdays.

WEEKDAY function

Returns the day of the week corresponding to a date. The day is given as an integer, ranging from 1 (Sunday) to 7 (Saturday), by default.

WEEKDAY Function

Weekday function error with Excel

2017年5月20日 — I have dates within a cell using this format: (08/12/2015 00:00:00), which the function works. The other cells have this format: (8/19/2015 0:00) ...

Weekday(...) shows wrong weekday

2022年2月4日 — WEEKDAY is returning the correct result in that cell - i.e. 5. If you format 5 as ddd, you are actually formatting the date 5 days after ...

[SOLVED] Weekday function not working correctly?

2017年4月24日 — Create a new variable called weekend? and use an IF function to determine if it's a weekend or not. The function will look something like: IF( ...