The Sixth Amendment guarantees an accused person a “speedy and public trial” by an impartial jury. But it also guarantees that there be enough time to prepare a solid defense. This means that actually bringing a person to trial can take a long time.
The other protections of this amendment are:
1) that an accused person must be informed of the charges against him or her2) he or she is entitled to a lawyer3) he or she may have witnesses to testify in his or her behalf.