This Bible contradiction is from the Skeptic's Annotated Bible.
It died immediately.
Matthew 21:19-20 View context
And when he saw a fig tree in the way, he came to it, and found nothing thereon, but leaves only, and said unto it, Let no fruit grow on thee henceforward for ever. And presently the fig tree withered away.
And when the disciples saw [it], they marvelled, saying, How soon is the fig tree withered away!
It didn't didn't die until the next morning.
Mark 11:13-14 View context
And seeing a fig tree afar off having leaves, he came, if haply he might find any thing thereon: and when he came to it, he found nothing but leaves; for the time of figs was not [yet].
And Jesus answered and said unto it, No man eat fruit of thee hereafter for ever. And his disciples heard [it].