Please note that this question refers to the clock when the tray is clicked, and not to the minimized tray clock like this other question.
In short: In Windows 11, is it possible to show the clock together with the calendar, including the seconds part?
Details: When Windows 11 tray clock is clicked, the calendar is displayed without the clock:
While in Windows 10, the clock is there:
We can add a clock manually:
But I want the seconds part as in Windows 10:
I wish to not use the "show seconds" options available in Windows 11:





