Hitherto and Up-to-date

Hitherto adverb - Up to this or that time.

Up-to-date and hitherto are semantically related. In some cases you can replace phrase "Up-to-date" with "Hitherto", this terms are similar.

Up-to-date adjective - Being or involving the latest methods, concepts, information, or styles.

Hitherto and up-to-date are semantically related. Sometimes you can use "Hitherto" instead an adverb phrase "Up-to-date".