I haven't played a standard pokemon game since Generation 1 until recently when I picked up Pokemon Moon. A friend traded me some pokemon infected with Pokérus to help me get started, but I accidentally let all my infected pokemon become immune, and I'm not sure exactly when the immunity triggered.

Findings So Far

According to this IGN article:

"After one to four days (at midnight), Pokerus will no longer be contagious..."

However, since Pokemon Moon is timeshifted by 12 hours with respect to the 3DS system time, I am not sure if "midnight" in this context would be applied based on the 3DS system time (i.e. "real life time") hitting midnight; or "midnight" in Pokemon Moon which would be Noon IRL.

I also tried searching existing questions, but couldn't find any results that matched my question at the time of writing this question.

Educated (unconfirmed) Guess

If I had to guess, I'd lean towards it triggering at midnight based on system/real-life time; just because the player is more likely to be asleep rather than at noon; but I've been unable to find confirmation of this.

Can anyone confirm the exact timing that Pokérus has a chance of becoming cured in Pokemon Moon?

  • If it was the system time that could trivially be exploited, just chnage the time zone, at 2359 to a time zone where it's 0101...
    – Ramhound
    Dec 30, 2016 at 4:50
  • Well, even if it was based off the shifted time in-game, you could (possibly) just shift the game clock anyways, since the game time is derived from the system time; though perhaps there's some feature to prevent players from trying this.
    – Kent.Green
    Dec 30, 2016 at 5:11

1 Answer 1


The Pokérus is working with the in-game time. Reading the wiki page about Pokérus:

Whenever the game's internal clock strikes midnight, every currently infected Pokémon in the player's party has their Pokérus value decreased by one. Once the Y value reaches 0, the Pokémon will be cured of Pokérus.

So for Pokémon Moon, you have to take the 12 hours shift in account. You can get the actual in-game time by asking the coffee shop vendor in any Pokémon Center.

  • Guess I need to make a habit of banking my infected Pokemon before lunchtime!
    – Kent.Green
    Dec 30, 2016 at 5:15
  • 1
    Just an additional note that I can confirm (double-confirm?) your answer in my testing; I had some fresh infectees that had pokérus before noon yesterday (IRL time) and by the afternoon they were cured. Thankfully this time I spread the infection far and wide, and set some designated infectors to keep in the box so it's not a problem now.
    – Kent.Green
    Jan 6, 2017 at 19:26

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