>>3562806010 hours is extremely generous, since I assume the cutoff point is November. The dungeon after that is probably 10 hours by itself.
It's why I'm pretty cautiously optimistic about streaming Persona, actually. P5 is fucking long, and I'm not sure if Mori can salvage the general monotony of day-to-day gameplay, especially since it's not a first playthrough. P3 Portable is unironically the best case scenario since its truncated nature means trimming a lot of the fat from time otherwise spent in the overworld, and it's the one she's fondest of (not to mention FeMC is a good way to keep it feeling fresh)