DraStic

didn't try sprite neither max money cheats, but check if you don't need to press a button.

Event cheats like Celebi, Mew and others, the one to remake Arceus event to get the other dragons, the ones to get max point in pokeathlon and game coins also work. That's the ones I tried, and they work fine ...

Well, things are getting a little to advanced for me, since I don't really know the whole context, but it's awesome to see my suggestion being considered so fast.

Thanks

All I know is you get corruption in Pokemon saves if savestates and saves are decoupled, and you load a savestate taken before the save was made, the game will say the save is corrupt. I assumed it used the RTC for this, but it's possible it just uses some internal counter.

Oh, I think I ...

So basically, you want to specify what the time is when the game first starts running, but the time would still increase like normal from then on? I think doing it any other way would break things. Games could get really confused if the time changes all of a sudden (especially if it goes backwards ...

I searched if there was any mention about this, but couldn't find any, so I guess there really is no way to do it, and then, it goes as a suggestion.

Some games (Read Pokemon) uses time and weekdays for events, but because of work and stuff, I can't exactly do things that require playing the game ...