Weekofyear is wrong for germany

[AlbertoD]

@Michael_Eckert

Is there any reasonable workaround

Yes, you can create code to handle this.

Back in 2021 we talked about this and there was some code shared in this topic:

DateTime: No week 1 in 2021?

I have a web app (API 1.0, so Xojo 2019r3.2) with a custom calendar control based on DateTime (Yes, I know a plug in would be much wiser in terms of performance. For reasons unknown to me by customer request). I was just made aware that there is no week 1 when you cross next new year. Could it be that DateTime gets WeekOfYear wrong? The quick and dirty code that builds my date time array: Var firstDayOfMonth As DateTime = today.firstDayOfMonth Var FirstWeekDay As Integer = firstDayOfMonth.G…