This document provides guidance on performing a Day in the Life Of (DILO) job observation. It outlines eight steps: 1) validating observations are possible; 2) defining objectives; 3) determining scope of observations; 4) customizing templates; 5) preparing for observations; 6) executing observations; 7) reporting; and 8) analyzing for value-add opportunities. Key recommendations include involving unions early, focusing observations based on objectives, and preparing thoroughly including understanding the job in advance. The level of detail in scoping and executing observations should match the objective of gaining qualitative or quantitative insights.