You can't be serious???
Do some research into the different regions and what Pokemon are available in each.
AnswerIt is impossible to get a Jirachi in Gold version because that Pokemon was created after the game was released. It is a generation above the generations in Gold version and therefore cannot exist in the game - even with cheat devices.
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One of my friends told me you can get jirachi at the end of Mt. Moon and I have tried but I can't figure out how to get there. I do believe there is a jirachi in heart gold version because there are sinnoh Pokemon in it and I have found mewtwo. In gold version however, jirachi cannot exist for gold version was made before jirachi was. I wish you luck in finding the legendary jirachi and other Pokemon!
If you can trade Pokemon from crystal version to gold version my guess is yes
A fake version of Pokemon gold
No, you cannot get Jirachi in Pokemon platinum.
It is genderless like the other legendaries, except Heatran, Cresselia, Latias, and Latios, but in the movie, Jirachi is voiced by a female actress, just like Kayzie Rodgers (4-Kids Dub).Despite this:Jirachi is a Boy Pokemon in The English Dub of Jirachi's Wish Maker.and, Jirachi is a Girl Pokemon in The Brazilian Portuguese Dub of Jirachi's Wish Maker (Brazilian Portuguese: Pokémon 6: Jirachi - Realizador de Desejos).In Pkmn Mystery Dungeon(Japanese version) Jirachi's a boy, so.....