A tool that determines the duration between two points in time is essential in various fields. For instance, it can measure the time elapsed between the start and end of a project phase, or the duration of a particular event. An example would be calculating the number of days between a product launch and its subsequent marketing campaign.
Precise measurement of temporal intervals is vital for project management, scientific research, and logistical planning. Understanding the length of processes enables efficient resource allocation and improved scheduling. Historically, methods for deriving durations have evolved from manual calculations to sophisticated software applications.