Timeous completion of large and interconnected public services is becoming an urgent matter necessary to plan and achieve government service delivery goals. The article explores the correlation between the Time Estimation Tool as an Administrative Tool to chart effective public service delivery dates and response to service completion bottlenecks during service delivery execution processes in the Public Sector. Late as well as non-delivery of public services by government departments lead to a waste of public resources, escalating to public outcries and demonstrations for on-time delivery of quality public services. The argument in this article focuses on the conceptual meaning of the Time Estimation Tool as an Administrative Tool that can be used to determine and analyse service delivery dates and bottlenecks in the Public Sector. Since most public service institutions around the world have set turnaround strategies, timelines, serv