The document provides details of the duty roster for security guards at the Xarviyunatavi Zhvzhvvpurviri security company for December 23rd 2016 to January 1st 2017. It lists the names of the security guards on duty each day from 8am to 4pm, 4pm to midnight, and midnight to 8am along with their contact phone numbers. The document aims to inform all relevant parties of the security schedule and contacts for the given time period.