Time keepers are essential components in our daily routines, whether it be in our personal or professional lives. Time keepers are tools or devices used to measure, record, or display the passage of time. There are various synonyms for time keepers such as timers, clocks, stopwatches, chronometers, hourglasses, and watches. Timers are commonly used in cooking, while clocks are used to keep track of the time of day. Stopwatches are used in sports and other activities where time is a critical factor, and chronometers are used in navigation. Hourglasses are traditional time keepers that rely on gravity and sand to measure time, while watches are time keepers that can be worn on one's wrist.