Yes, my history with brave involves doing that several times as they add additional mechanisms
4,063 karma · joined April 21, 2015
The of course anything is possible, we just don't know, but it's highly unlikely.
Such a flag day didn't involve removing days from one calendar or the other, it switched between them.
If any are a "randomly" chosen real number, the answer would almost certainly be no. But a test of sufficient precision would of course be impossible.
The alternative is barrel connectors. If you plug in the wrong one, there's a decent chance that it a) won't work, or b) never work again.
It would be nice if you could use hud display tech so it would automatically track, but I don't think it's possible in this form factor