at night
To get Rotom in Pokemon Platinum you must be in the machine at 8:00pm to 12:00pm on Fridays or Saturdays.
Turn on your ds and go to your settings and change your time there.
In Pokemon Diamond and Pearl and Platinum which are the newest versions on the DS until the newer ones you catch Rotom after you get the national pokedex. Then you can transform him into different types.
after rotom you should have beaten the gameYou have to trade rotom from Pokemon diamond or gold.you dont you trade it from platinum diamond or peralYou cannot catch Rotom in SoulSilver. You need to trade from Diamond, Pearl or Platinum.
Rotom ,Shaymin ,Palkia ,Dialga ,Giratina
you can't you have to trade from diamond pearl or platinum
trade it from Pokemon platinum, dimond, or pearl. or you get ine by event on some time in 2010
Actually, you can only get Rotom by trading in Diamond, Pearl, or Platinum at Toys R Us.
You can catch a Rotom at night by talking to the tv
Eterna city forest in the ghost house in the tv
you cannot catch it you have to trade it with diamond, pearl or platinum versions.
Sadly you cannot catch rotom on the game however you could tade it from diamond, pearl or platinum