how long it wil take h1b transfer

when i fill h1b transfer,how long it wil take to process? and if it is premium processing ,how long it will take to process. plz reply fast it is urget

thanks in advance

Mininum 3 days and Maximum 15 days ( if there is no RFE)

2 to 6 months in regular processing. Maximum 15 days in premium processing.