You shall number for yourself seven weeks from that day, the day on which you put the sickle to the grain field
Other versions
King James Version
Seven weeks shalt thou number unto thee: begin to number the seven weeks from such time as thou beginnest to put the sickle to the corn.English Standard Version
"You shall count seven weeks. Begin to count the seven weeks from the time the sickle is first put to the standing grain.New International Version
Count off seven weeks from the time you begin to put the sickle to the standing grain.