Systray, would like to add day-of-week in the empty space left of the clock

[mfessler 0]

I've looked around the region and date/time options and asked google and copilot and the nearest I can get to an answer is to add the whole day name to the left of the date (which basically doubles the width of the thing. But there's an empty space left of the clock where a 3-letter short version of the day would fit nicely. I just don't know if it's possible.

Here's how it naturally looks:



Here's how I'd like it to look (mocked up in photoshop):