While I haven't found the code that actually implements which day gets shown, I have found in the CSS file some events. I'll be leaving out the standard month days, whose internal names are all... well, the month in all lowercase letters.
All...
It did make me learn new words at the time buy since it's been almost a year already, I kinda forgot all that. Especially since I did only once.
As for the language that grabs my attention a bit, I'm also trying to learn Fusha Arabic which is...
Funny thing is, I tried it last year lol. I started playing WarioWare Gold in German last summer, and I'd search on Pons (a language dictionary) what the words I didn't know meant. I forgot to do it afterwards and only made it to Dribble & Spitz...
Huh? Seriously, I thought he just showed up as a cameo or something. That's definitely changes up things. That's kinda weird yet interesting that they'd use Wario like that.