You can't because time flutes are used to purify Pokemon in colosseum.
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it is no were you need to hack to get it just like how you get darki on Pokemon
you have to use a poke flute
Oh honey, the Yellow Flute in Pokemon FireRed wakes up a sleeping Pokemon. So if your little critter is snoozing on the job, just give it a toot on that flute and watch it spring back to action. Just don't expect any lullabies or magical tunes, it's a no-nonsense tool for sleepyheads.
It cures confusion while in battle but you have to use it first to do that *Note* The yellow flute can be used infinite times.
you get it at the games corner in Celadon. It can cure confusion in the middle of a battle