Originally Posted by Python
Are these Messianic Jews?
They are not.
The Jewish people believe that during the period from Rosh Hashana (new year) to Yom Kippur, they must make ammends for anyone they have wronged. The last day to rectify things with God is Yom Kippur, today. At the conclusion of their service tonight after sundown, they blow the Shofar, and that signifies the end of God's judgment for the comming year.
The books are closed, and their names are either written in the book of life or in the book of death.
The traditional wish is, therefore, may your name be written in the book of life.