NET
31 Then, because it was the day of preparation, so that the bodies should not stay on the crosses on the Sabbath (for that Sabbath was an especially important one), the Jewish leaders asked Pilate to have the victims’ legs broken and the bodies taken down.
Darby
31 The Jews therefore, that the bodies might not remain on the cross on the sabbath, for it was [the] preparation, (for the day of that sabbath was a great [day],) demanded of Pilate that their legs might be broken and they taken away.
KJV
31 The Jews therefore, because it was the preparation, that the bodies should not remain upon the cross on the sabbath day, (for that sabbath day was an high day,) besought Pilate that their legs might be broken, and [that] they might be taken away.