helek /ˈheɪlɪk/ noun1 •(Judaism) A unit of time equal to an eighteenth of a minute (3⅓ seconds)For calendrical calculations, the day begins at 6 P.M., which is designated 0 hours. Hours are divided into 1080 halakim; thus one helek is 3 1/3 seconds. — 1992 formshalakim
