John Gills Exposition of the Bible Commentary - Leviticus 25:9
Then shall thou cause the trumpet of the jubilee to sound ,.... At the end of forty nine years, or at the beginning of the fiftieth; or "the trumpet of a loud sound"; for here the word "jubilee" is not, which, according to some, was so called from the peculiar sound of the trumpet on this day, different from all others; though others, as Ben Melech, think, and the Jews commonly, that it had its name from the trumpet itself, which they suppose was made of a ram's horn, "jobel", in the Arabic... read more
Matthew Henry's Complete Commentary - Leviticus 25:8-22
Here is, I. The general institution of the jubilee, Lev. 25:8-22 1. When it was to be observed: after seven sabbaths of years (Lev. 25:8), whether the forty-ninth or fiftieth is a great question among learned men: that it should be the seventh sabbatical year, that is, the forty-ninth (which by a very common form of speech is called the fiftieth), seems to me most probable, and is, I think, made pretty clear and the objections removed by that learned chronologer Calvisius; but this is not a... read more