What you really want to watch out for even more so than color change, is meat or poultry that has a bad odor or is sticky, tacky, or slimy to the touch. Let your other senses be your guide in these instances. Read more: The Color of Meat and Poultry - USDA.
Windows Management Instrumentation(WMI) is a set of extensions to the Windows Driver Model that provides an operating system interface through which instrumented components can provide information and notification.
Windows Management Instrumentation (WMI) functions that use time information, such as the ClearPasswordHistory Method function or the ClearRuns Method function, require that you use Coordinated Universal Time (UTC, also known as Greenwich Mean Time).